Merge "Deprecate function declarations, not definitions." am: 302b92a5 am: 00f15937

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2640609



Change-Id: If90715439b9daa7c22b16dd0b37e8cac8b369702
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>