Define strings for output switcher dialog in SystemUI -SystemUI requires to launch Bluetooth pairing setting -Volume panel requires to launch SystemUI dialog Bug: 155822415 Test: build pass Merged-In: Ibb39b29aa383aab1df3e168b4f91ad1a40bf7682 Change-Id: Ibb39b29aa383aab1df3e168b4f91ad1a40bf7682 (cherry picked from commit 7d0e084058601c56dac558ae065cf3c5ac26b94a)