Add mechanism to add accessibility service or activity into bluetooth...

Add mechanism to add accessibility service or activity into bluetooth 'Related' category am: 02b37352

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/17472403



Change-Id: I7d468f4c126349268a33c7d934718c3c59d6895b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>