DO NOT MERGE: Add constant for Output Switcher to start Bluetooth paring page

Bug: 155822415
Test: build pass
Merged-In: Iaaf7aadf8dc371881fc831e91ff6e62be49b0219
Change-Id: Iaaf7aadf8dc371881fc831e91ff6e62be49b0219
(cherry picked from commit 298b575cc6318882bfecc1947610a70b761a9cf9)
1 file changed