Use our own homemade paging library for conversation paging.

I made the lib, and Alan made the build actually work.

Co-authored-by: Alan Evans <alan@signal.org>

paging/app/build.gradle

@@ -0,0 +1,30 @@
+apply plugin: 'com.android.application'
+
+android {
+    buildToolsVersion BUILD_TOOL_VERSION
+    compileSdkVersion COMPILE_SDK
+
+    defaultConfig {
+        applicationId "org.signal.pagingtest"
+        versionCode 1
+        versionName "1.0"
+
+        minSdkVersion MINIMUM_SDK
+        targetSdkVersion TARGET_SDK
+    }
+
+    compileOptions {
+        sourceCompatibility JAVA_VERSION
+        targetCompatibility JAVA_VERSION
+    }
+}
+
+dependencies {
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.2.1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+
+    testImplementation 'junit:junit:4.12'
+
+    implementation project(':paging')
+}