Add isClone to InputWindowHandle

Add a flag about whether the window is a clone to help identity the
original windows vs clones

Test: Builds
Bug: 230300971
Change-Id: Iac006d73d2e0100b5f8261a30a1dd2ff3f1bae88

core/java/android/view/InputWindowHandle.java

@@ -157,6 +157,11 @@ public final class InputWindowHandle {
      */
     public Matrix transform;
 
+    /**
+     * Whether this window is a clone or the original window.
+     */
+    public boolean isClone;
+
     private native void nativeDispose();
 
     public InputWindowHandle(InputApplicationHandle inputApplicationHandle, int displayId) {

core/jni/android_hardware_input_InputWindowHandle.cpp

@@ -74,6 +74,7 @@ static struct {
     WeakRefHandleField touchableRegionSurfaceControl;
     jfieldID transform;
     jfieldID windowToken;
+    jfieldID isClone;
 } gInputWindowHandleClassInfo;
 
 static struct {
@@ -317,6 +318,8 @@ jobject android_view_InputWindowHandle_fromWindowInfo(JNIEnv* env, gui::WindowIn
     env->SetObjectField(inputWindowHandle, gInputWindowHandleClassInfo.windowToken,
                         javaObjectForIBinder(env, windowInfo.windowToken));
 
+    env->SetBooleanField(inputWindowHandle, gInputWindowHandleClassInfo.isClone,
+                         windowInfo.isClone);
     return inputWindowHandle;
 }
 
@@ -433,6 +436,8 @@ int register_android_view_InputWindowHandle(JNIEnv* env) {
     GET_FIELD_ID(gInputWindowHandleClassInfo.windowToken, clazz, "windowToken",
                  "Landroid/os/IBinder;");
 
+    GET_FIELD_ID(gInputWindowHandleClassInfo.isClone, clazz, "isClone", "Z");
+
     jclass weakRefClazz;
     FIND_CLASS(weakRefClazz, "java/lang/ref/Reference");