Implement a max time bound for rotation.  (DO NOT MERGE)

Also relaxed the settle time constraints a little bit.
With this change, a rotation proposal will always be
advertised within 500ms even if the device is still shaking
around.

Bug: 5496491
Change-Id: I0bf562f4c19c0be45c016254f2f881d265f8e266
1 file changed