Unify the LE audio string and refine the layout to put LE audio switch together am: ed1a79a9

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/18740332



Change-Id: I2200a81b0d63cc690b475e5eed43e6f3e9f49ffe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>