Move snapshot tests into their own app and improve performance (#1914)

The dedicated module prevents extra code in the main sample app modules and allows for easy creation of compose snapshot tests. I also found a bug in which the rendering of animations was not fan-in when it should have been. This increased the performance of the test suite locally by ~4x.

sample/build.gradle

@@ -26,10 +26,6 @@ android {
   buildTypes {
     debug {
       multiDexKeepProguard file('proguard-multidex-rules.pro')
-      buildConfigField("String", "S3AccessKey", "\"" + System.getenv("LOTTIE_S3_API_KEY") + "\"")
-      buildConfigField("String", "S3SecretKey", "\"" + System.getenv("LOTTIE_S3_SECRET_KEY") + "\"")
-      buildConfigField("String", "HappoApiKey", "\"" + System.getenv("LOTTIE_HAPPO_API_KEY") + "\"")
-      buildConfigField("String", "HappoSecretKey", "\"" + System.getenv("LOTTIE_HAPPO_SECRET_KEY") + "\"")
     }
     release {
       multiDexKeepProguard file('proguard-multidex-rules.pro')
@@ -82,9 +78,6 @@ dependencies {
   implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutinesVersion"
   implementation 'com.dlazaro66.qrcodereaderview:qrcodereaderview:2.0.2'
   implementation 'com.github.PhilJay:MPAndroidChart:3.1.0'
-  implementation "com.amazonaws:aws-android-sdk-s3:$awsVersion"
-  implementation("com.amazonaws:aws-android-sdk-mobile-client:$awsVersion") { transitive = true }
-  implementation("com.amazonaws:aws-android-sdk-auth-userpools:$awsVersion") { transitive = true }
   implementation 'com.google.code.gson:gson:2.8.8'
   implementation 'com.squareup.okhttp3:okhttp:4.9.1'
   implementation "com.squareup.retrofit2:retrofit:$retrofitVersion"
@@ -100,7 +93,6 @@ dependencies {
   androidTestImplementation "androidx.test.espresso:espresso-idling-resource:$espressoVersion"
   androidTestImplementation 'androidx.test:core:1.3.0'
   androidTestImplementation 'androidx.test:rules:1.4.0'
-  androidTestImplementation 'io.jsonwebtoken:jjwt:0.9.1'
   androidTestImplementation "org.mockito:mockito-android:$mockitoVersion"
   androidTestImplementation "com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0"
 }