Don't try to launch broadcast receivers during boot

It turns out that sysUI visibility / interactivity is racing with
boot, and it's possible in some circumstances for the user to start
the secure camera swipe gesture before formal boot-completed.  Make
sure we only send the camera-related broadcast to registered
receivers in that case, otherwise we'll implicitly be asking to
launch other apps before boot, which is forbidden.

Bug 19060618

Change-Id: I7fcf13b5af7b2edfbb4aac06ef04a0fde2c6a0f7
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/SecureCameraLaunchManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/SecureCameraLaunchManager.java
index 3f5cf3f..4a43c47 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/SecureCameraLaunchManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/SecureCameraLaunchManager.java
@@ -175,6 +175,7 @@
                 public void run() {
                     Intent intent = new Intent();
                     intent.setAction(CLOSE_CAMERA_ACTION_NAME);
+                    intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
                     mContext.sendBroadcast(intent);
                 }
             });