Fixed a leaked partial wakelock in AbstractThreadedSyncAdapter.

This fix ensures that onFinished() is always called in a syncClient
even if the application lacks the READ_SYNC_SETTINGS permission.

Change-Id: I944717e71ceae06a665f8a3b1199b41d73e12da4
Merge remote-tracking branch 'remotes/cm-10.2/cm-10.2' into cm-10.2