sdm: Fix infinite frame invalidates during camera bandwidth mode change.
During camera bandwidth mode change, need_invalidate is set to true for
 to request new draw cycles to allow new bandwidth mode to take effect.
 This variable is not reset after mode is changed.

Change-Id: Ie9ec20fd1281f97fd5d6b78474cc62cb7d8318ce
CRs-Fixed: 1077284
1 file changed