camera: Make some binder interfaces compatible with AIDL

Done:
* ICameraService
* ICameraServiceListener

Partial:
* ICamera (disconnect only)
* IProCameraUser (disconnect only)

Bug: 9213377
Change-Id: I8e2e6e05cfd02ec36be1d5b2c551f10ffb43b5b4
diff --git a/camera/IProCameraUser.cpp b/camera/IProCameraUser.cpp
index 4c4dec3..015cb5c 100644
--- a/camera/IProCameraUser.cpp
+++ b/camera/IProCameraUser.cpp
@@ -162,6 +162,7 @@
         Parcel data, reply;
         data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor());
         remote()->transact(DISCONNECT, data, &reply);
+        reply.readExceptionCode();
     }
 
     virtual status_t connect(const sp<IProCameraCallbacks>& cameraClient)
@@ -307,6 +308,7 @@
             ALOGV("DISCONNECT");
             CHECK_INTERFACE(IProCameraUser, data, reply);
             disconnect();
+            reply->writeNoException();
             return NO_ERROR;
         } break;
         case CONNECT: {