Fix for missing location icon

OpEntry.duration was being used to indicate that the
operation was still running if -1 is returned. A recent
change caused a regression.

Adding a new mRunning field in OpEntry to explicitly
hold the running state, even when partial duration is
updated.

Change-Id: Ib29f4c903f990aaa202e84f964959aedfc24abdb
Fixes: 80242152
Test: atest FrameworksServicesTests:AppOpsActiveWatcherTest
Test: Launch maps and verify the location icon is visible
      in the status bar