Merge "DO NOT MERGE: Add constant for Output Switcher to start Bluetooth...

Merge "DO NOT MERGE: Add constant for Output Switcher to start Bluetooth paring page" into rvc-qpr-dev am: 8a6e5383

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13115316

Change-Id: I93935c5a890de71e493881a0f92e7512be323100