CameraServiceProxy: Double retry times when notifying cameraserver

Current retry for notifying cameraserver is 20ms * 30 = 600ms. Double it
to 1.2 seconds to give cameraserver enough time to start up.

Test: Build
Bug: 140414594
Change-Id: I5726212d81bb595a99c9137e073f0da022d0779c

services/core/java/com/android/server/camera/CameraServiceProxy.java

@@ -79,7 +79,7 @@ public class CameraServiceProxy extends SystemService
     private static final int MSG_SWITCH_USER = 1;
 
     private static final int RETRY_DELAY_TIME = 20; //ms
-    private static final int RETRY_TIMES = 30;
+    private static final int RETRY_TIMES = 60;
 
     // Maximum entries to keep in usage history before dumping out
     private static final int MAX_USAGE_HISTORY = 100;