refactor: Use view binding to replace Kotlin synthetics (#824)

* refactor: Migrate home screen to data binding

* Add view binding

* Migrate ConversationView to view binding

* Migrate ConversationActivityV2 to view binding

* View model refactor

* Move more functionality to the view model

* Add ui state events flow

* Update conversation item bindings

* Update profile picture view bindings

* Replace Kotlin synthetics with view bindings

* Fix qr code fragment binding and optimize imports

* View binding refactors

* Make TextSecurePreferences an interface and add an implementation to improve testability

* Add conversation repository

* Migrate remaining TextSecurePreferences functions into the interface

* Add unit conversation unit tests

* Add unit test coverage for remaining view model functions

gradle.properties

@@ -2,9 +2,15 @@ android.useAndroidX=true
 android.enableJetifier=true
 org.gradle.jvmargs=-Xmx2048m
 
-kotlinVersion=1.4.32
+kotlinVersion=1.6.0
+coroutinesVersion=1.6.0
+kotlinxJsonVersion=1.3.0
+lifecycleVersion=2.3.1
+daggerVersion=2.40.1
+glideVersion=4.11.0
 kovenantVersion=3.3.0
 curve25519Version=0.5.0
 protobufVersion=2.5.0
 okhttpVersion=3.12.1
-jacksonDatabindVersion=2.9.8
+jacksonDatabindVersion=2.9.8
+mockitoKotlinVersion=4.0.0