Reset video capture on folding event

Handle folding event the same way as rotation events.

Fixes #3960 <https://github.com/Genymobile/scrcpy/issues/3960>
PR #3979 <https://github.com/Genymobile/scrcpy/pull/3979>

Signed-off-by: Romain Vimont <rom@rom1v.com>

server/src/main/aidl/android/view/IDisplayFoldListener.aidl

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.view;
+
+/**
+ * {@hide}
+ */
+oneway interface IDisplayFoldListener
+{
+    /** Called when the foldedness of a display changes */
+    void onDisplayFoldChanged(int displayId, boolean folded);
+}