Merge "Refine VisibleForTesting proguard rules"

# Add this flag in your package's own configuration if it's needed.

#-flattenpackagehierarchy

# Keep classes and methods that have the guava @VisibleForTesting annotation

-keep @**.VisibleForTesting class *

-keepclassmembers class * {

# Keep classes and methods that have @VisibleForTesting annotations, except in

# intermediate libraries that export those annotations (e.g., androidx, guava).

# This avoids keeping library-specific test code that isn't actually needed

# for platform testing.

# TODO(b/239961360): Migrate away from androidx.annotation.VisibleForTesting

# and com.google.common.annotations.VisibleForTesting use in platform code.

-keep @**.VisibleForTesting class !androidx.**,!com.google.common.**,*

-keepclassmembers class !androidx.**,!com.google.common.**,* {

    @**.VisibleForTesting *;

}