AVRCP Position Changed Notification

Correct position change notification to be received every 2000 ms
instead of every 2000 s.

Bug: 133400561
Test: Connect to device and monitor avrcp traffic.
Change-Id: Id8a33670b207f4a9ac03da957075acbac0c7c052
(cherry picked from commit f704d0f8)

Change-Id: If5324d4ef5fe20c71c7b603d648fff82b81ce550
Merged-In: Id8a33670b207f4a9ac03da957075acbac0c7c052