Use fmq for camera capture request.

Test: camera works.

Bug: 35788245 [Treble] Pass camera metadata using shared memory
Change-Id: I4a1585315bf448c8c57def2964237cae21bdbe03
diff --git a/camera/device/3.2/ICameraDevice.hal b/camera/device/3.2/ICameraDevice.hal
index 6e66bf3..1f523e4 100644
--- a/camera/device/3.2/ICameraDevice.hal
+++ b/camera/device/3.2/ICameraDevice.hal
@@ -167,7 +167,7 @@
      *         longer available. This interface is now stale, and a new instance
      *         must be acquired if the device is reconnected. All subsequent
      *         calls on this interface must return CAMERA_DISCONNECTED.
-     * @return cameraDevice The interface to the newly-opened camera session,
+     * @return session The interface to the newly-opened camera session,
      *     or null if status is not OK.
      */
     open(ICameraDeviceCallback callback) generates