Merge "Add javadocs to click accessibility actions" am: 05a98342 am: 0c32c8fc am: c82b3117

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2611523



Change-Id: I01349f1b24ece59283b9b5a9c6b65f68e43c502c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>