Merge "Revert "camera: Start/stop preview before clearing surface."" into mnc-dev

core/java/android/hardware/camera2/legacy/RequestThreadManager.java

@@ -326,9 +326,6 @@ public class RequestThreadManager {
         }
 
         try {
-            startPreview(); // If preview is not running (i.e. after a JPEG capture), we need to
-                            // explicitely start and stop preview before setting preview surface.
-                            // null.
             stopPreview();
         }  catch (RuntimeException e) {
             Log.e(TAG, "Received device exception in configure call: ", e);