Camera: Fill out vndk implementation for physical camera callbacks

Also fixed missing implementation of Camera availability callbacks for
ExtendedAvailabilityCallback.

Test: Camera CTS, and vndk test
Bug: 148146086
Change-Id: I557d6db3900b2346b7bc7e12cd946bc4c2dc4076
diff --git a/camera/cameraserver/Android.bp b/camera/cameraserver/Android.bp
index 22e9578..dc7f88a 100644
--- a/camera/cameraserver/Android.bp
+++ b/camera/cameraserver/Android.bp
@@ -48,6 +48,6 @@
     init_rc: ["cameraserver.rc"],
 
     vintf_fragments: [
-        "manifest_android.frameworks.cameraservice.service@2.0.xml",
+        "manifest_android.frameworks.cameraservice.service@2.1.xml",
     ],
 }