Merge "[Settings] Fix crash when user enter bluetooth page quickly." into udc-dev am: 3e374cc7a7 am: d23d398c91

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/23601556

Change-Id: I4cfec0c4aefd00145fab634ef5cc7544dc9e793c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>