QuickSwitch Compat Q to U (#3948)

Initial support quickstep, Android versions from Q to U, ensuring a smooth and efficient user experience. Enjoy effortless navigation and swift app switching on your Android device with QuickSwitch's compatibility across the Q, R, S, T, and U.


Co-authored-by: Goooler <wangzongler@gmail.com>
Co-authored-by: 无言 <57122860+liu-wanshun@users.noreply.github.com>

compatLib/src/main/java/app/lawnchair/compatlib/RemoteTransitionCompat.java

@@ -0,0 +1,15 @@
+package app.lawnchair.compatlib;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.app.IApplicationThread;
+import android.window.IRemoteTransition;
+import android.window.RemoteTransition;
+
+public abstract class RemoteTransitionCompat {
+
+    public abstract RemoteTransition getRemoteTransition(
+            @NonNull IRemoteTransition remoteTransition,
+            @Nullable IApplicationThread appThread,
+            @Nullable String debugName);
+}