Merge "Declare the headers of the ndk_library" am: 12b528b052 am: c2460ec622 am: f30357aaf9 am: 76c82727e3

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2212878

Change-Id: I7e7c0b889df1b4eb00a162906a902d85f76d3cd4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>