InCallUI/proguard.flags

-keep class com.android.incallui.widget.multiwaveview.* {
  *;
}

# Keep names that are used only by animation framework.
-keepclasseswithmembers class com.android.incallui.AnimationUtils$CrossFadeDrawable {
    *** setCrossFadeAlpha(...);
}

# Any class or method annotated with NeededForTesting or NeededForReflection.
-keepclassmembers class * {
@com.android.contacts.common.test.NeededForTesting *;
@com.android.incallui.NeededForReflection *;
}