Merge "Use reference equality for AnimatableScaleMatrix equals()." into rvc-dev am: e948137a18 am: 5ebc819640

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11975965

Change-Id: I9ebc52209d24a8c04291b5f70dbdc58fe4799cd6