Remove FrameRate Enum to allow all possible frame rate values am: 026a007fe4 am: 6ef547434b am: dc0fc846ae

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

Change-Id: Ic395dff08a8ca797510c73a23b05558deaac375e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>