[automerger skipped] DO NOT MERGE: Add constant for Output Switcher to start Bluetooth paring page am: 4dcbd86303 -s ours am: 62c762d5d2 -s ours

am skip reason: subject contains skip directive

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

Change-Id: I578fe1bb820c6edcb8f205a70ab8106f3f6cbc4e