Update the Contexthub with location setting changes

Sends the latest location setting values to the Contexthub HAL whenever
the user changes the value or the Contexthub restarts.

Bug: 135951924
Test: Verify settings are propagated to the HAL when the toggle is
flipped

Change-Id: I5144b890c661e28fac6bd592269f8766049fe639
1 file changed