Merge "Checking for null proxy object before operating on a method of the proxy object" into tm-qpr-dev am: 5a29df1b74 am: 271121fdd9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20103048

Change-Id: I52b6e4edfc1be93cda1d8631edd7362e9a69b4fa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

core/java/android/hardware/camera2/CameraExtensionCharacteristics.java

@@ -272,6 +272,9 @@ public final class CameraExtensionCharacteristics {
                     @Override
                     public void onServiceConnected(ComponentName component, IBinder binder) {
                         mProxy = ICameraExtensionsProxyService.Stub.asInterface(binder);
+                        if (mProxy == null) {
+                            throw new IllegalStateException("Camera Proxy service is null");
+                        }
                         try {
                             mSupportsAdvancedExtensions = mProxy.advancedExtensionsSupported();
                         } catch (RemoteException e) {