Merge "Camera: Allow synthetic extension metadata" into tm-dev

                Class<CaptureRequest.Key<?>> crKeyTyped = (Class<CaptureRequest.Key<?>>) crKey;

                ret.addAll(requestChars.getAvailableKeyList(CaptureRequest.class, crKeyTyped,

                        requestKeys, /*includeSynthetic*/ false));

                        requestKeys, /*includeSynthetic*/ true));

            }

            // Jpeg quality and orientation must always be supported

                Class<CaptureResult.Key<?>> crKeyTyped = (Class<CaptureResult.Key<?>>)crKey;

                ret.addAll(resultChars.getAvailableKeyList(CaptureResult.class, crKeyTyped,

                        resultKeys, /*includeSynthetic*/ false));

                        resultKeys, /*includeSynthetic*/ true));

                // Jpeg quality, orientation and sensor timestamp must always be supported

                if (!ret.contains(CaptureResult.JPEG_QUALITY)) {