Temporary revert (again) to fix an avatar retrieval issue.

This reverts commit 77524ae1f2.

build.gradle

@@ -84,11 +84,7 @@ dependencies {
     compile 'com.google.android.exoplayer:exoplayer-core:2.9.1'
     compile 'com.google.android.exoplayer:exoplayer-ui:2.9.1'
 
-    compile 'org.conscrypt:conscrypt-android:2.0.0'
-    compile 'org.signal:aesgcmprovider:0.0.2'
-
-    compile 'org.whispersystems:signal-service-android:2.13.0'
-
+    compile 'org.whispersystems:signal-service-android:2.12.8'
     compile 'org.whispersystems:webrtc-android:M73-S1'
 
     compile "me.leolin:ShortcutBadger:1.1.16"
@@ -188,9 +184,7 @@ dependencyVerification {
         'com.google.android.gms:play-services-auth:aec9e1c584d442cb9f59481a50b2c66dc191872607c04d97ecb82dd0eb5149ec',
         'com.google.android.exoplayer:exoplayer-ui:7a942afcc402ff01e9bf48e8d3942850986710f06562d50a1408aaf04a683151',
         'com.google.android.exoplayer:exoplayer-core:b6ab34abac36bc2bc6934b7a50008162feca2c0fde91aaf1e8c1c22f2c16e2c0',
-        'org.conscrypt:conscrypt-android:400ca559a49b860a82862b22cee0e3110764bdcf7ee7c79e7479895c25cdfc09',
-        'org.signal:aesgcmprovider:e2befedb0965483360e1e1d293c90998b5ee37075f6ca953ea26508c6c902b41',
-        'org.whispersystems:signal-service-android:2268f5c13d74a9b8fc582e71f0e5b3041659b4d2597e4e3c47b410dd4ef7c1dc',
+        'org.whispersystems:signal-service-android:68a349a9e05089f33ab5a9b9fc330526f59d31e8385ff9f5b70bc4a88bd0e297',
         'org.whispersystems:webrtc-android:1ae3716728f2581724f982f5b4ded92d7aa33edf19d0daa35529d9529f8eb3a2',
         'me.leolin:ShortcutBadger:e3cb3e7625892129b0c92dd5e4bc649faffdd526d5af26d9c45ee31ff8851774',
         'se.emilsjolander:stickylistheaders:a08ca948aa6b220f09d82f16bbbac395f6b78897e9eeac6a9f0b0ba755928eeb',
@@ -258,7 +252,7 @@ dependencyVerification {
         'com.android.support:support-annotations:5d5b9414f02d3fa0ee7526b8d5ddae0da67c8ecc8c4d63ffa6cf91488a93b927',
         'com.android.support.constraint:constraint-layout-solver:2cafbe356f71c208013d021f32943904798cd6459e5107f9fe27000eb5bc2aef',
         'org.signal:signal-metadata-android:d9d798aab7ee7200373ecff8718baf8aaeb632c123604e8a41b7b4c0c97eeee1',
-        'org.whispersystems:signal-service-java:0af556834936d6fa06c6cb9ec58a3049320475df1e7882aef24f3488d967e154',
+        'org.whispersystems:signal-service-java:fde1a008fe42ebbf1cd35018b363135cd8fec9e690304f8917b5ffb7080fa2a5',
         'com.github.bumptech.glide:disklrucache:c1b1b6f5bbd01e2fcdc9d7f60913c8d338bdb65ed4a93bfa02b56f19daaade4b',
         'com.github.bumptech.glide:annotations:bede99ef9f71517a4274bac18fd3e483e9f2b6108d7d6fe8f4949be4aa4d9512',
         'com.nineoldandroids:library:68025a14e3e7673d6ad2f95e4b46d78d7d068343aa99256b686fe59de1b3163a',
@@ -270,19 +264,21 @@ dependencyVerification {
         'org.signal:signal-metadata-java:af1d0dd766b1e301ed1c44e65161084cf03e2587fe97fdd29ecbea58c6aa6930',
         'org.whispersystems:signal-protocol-java:b08207f7e1847228f2a1f0d49e113f93c96c6ed8490be14edddd4be55b2a4a4e',
         'com.google.protobuf:protobuf-java:e0c1c64575c005601725e7c6a02cebf9e1285e888f756b2a1d73ffa8d725cc74',
-        'com.googlecode.libphonenumber:libphonenumber:dbf4bf566d17a60044c19e282a619684e4b4abb0f9f9f24f843c55d19826ab5e',
-        'com.fasterxml.jackson.core:jackson-databind:2351c3eba73a545db9079f5d6d768347ad72666537362c8220fe3e950a55a864',
-        'com.squareup.okhttp3:okhttp:07c3d82ca7eaf4722f00b2da807dc7860f6169ae60cfedcf5d40218f90880a46',
+        'com.googlecode.libphonenumber:libphonenumber:183392c0565be16d3f6f86680b4106bbde6fe31a402ad21bf9823d938c0c8706',
+        'com.fasterxml.jackson.core:jackson-databind:0fb4e079c118e752cc94c15ad22e6782b0dfc5dc09145f4813fb39d82e686047',
+        'com.squareup.okhttp3:okhttp:7265adbd6f028aade307f58569d814835cd02bc9beffb70c25f72c9de50d61c4',
+        'com.madgag.spongycastle:pkix:0d9cca6991f68eb373cfad309d5268c9fc38db5efb5fe00dcccf5c973af1eca1',
+        'com.madgag.spongycastle:prov:b8c3fec3a59aac1aa04ccf4dad7179351e54ef7672f53f508151b614c131398a',
         'org.threeten:threetenbp:f4c23ffaaed717c3b99c003e0ee02d6d66377fd47d866fec7d971bd8644fc1a7',
         'org.whispersystems:curve25519-android:82595394422b957d4a5b5f1b27b75ba25cf6dc4db4d312418ca38cd6fff279ca',
         'com.fasterxml.jackson.core:jackson-annotations:45d32ac61ef8a744b464c54c2b3414be571016dd46bfc2bec226761cf7ae457a',
-        'com.fasterxml.jackson.core:jackson-core:d934dab0bd48994eeea2c1b493cb547158a338a80b58c4fbc8e85fb0905e105f',
-        'com.squareup.okio:okio:693fa319a7e8843300602b204023b7674f106ebcb577f2dd5807212b66118bd2',
+        'com.fasterxml.jackson.core:jackson-core:a2bebaa325ad25455b02149c67e6052367a7d7fc1ce77de000eed284a5214eac',
+        'com.squareup.okio:okio:734269c3ebc5090e3b23566db558f421f0b4027277c79ad5d176b8ec168bb850',
+        'com.madgag.spongycastle:core:8d6240b974b0aca4d3da9c7dd44d42339d8a374358aca5fc98e50a995764511f',
         'org.whispersystems:curve25519-java:7dd659d8822c06c3aea1a47f18fac9e5761e29cab8100030b877db445005f03e',
     ]
 }
 
-
 android {
     flavorDimensions "none"
     compileSdkVersion 28