[automerger skipped] DO NOT MERGE: Add constant for Output Switcher to start...

[automerger skipped] DO NOT MERGE: Add constant for Output Switcher to start Bluetooth paring page am: 4dcbd863 -s ours am: 62c762d5 -s ours

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

Change-Id: I578fe1bb820c6edcb8f205a70ab8106f3f6cbc4e