Remove FrameRate Enum to allow all possible frame rate values am: 026a007f am: 6ef54743

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24922792



Change-Id: I983d56e4fdb96d207b52b8069d648edc7cb95de7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>