tree 80636aa2d7ebe66eee7ee1906fc7a761b8a61b49
parent be091340e3923550e8a5d1efe73cef20c3489417
author Simon Bowden <sbowden@google.com> 1646064368 +0000
committer Simon Bowden <sbowden@google.com> 1646148114 +0000

Make VibrationThread long-lived.

This CL changes VibrationManagerService/VibrationThread to create
and re-use a single thread instance, rather than spawning and starting
a new thread for every vibration.

There is still only ever one active vibration at a time.

Bug: 193792066, 219776664
Test: manual
Change-Id: I9d397ff32a174f8e02c8a490b2b3d4ea040650db