Cancel startAnimation(show=true) if IME is not requested to be visible

In the case when we have a control with a leash, and we're calling startAnimation(show=true),
the animation should only start, if the IME was previously requested to be visible.

Test: atest WMShellUnitTests:com.android.wm.shell.common.DisplayImeControllerTest
Flag: android.view.inputmethod.refactor_insets_controller
Fix: 355059468
Change-Id: Icba77bbe84cd90150017f29c9b34438c64435468
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/common/DisplayImeController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/common/DisplayImeController.java
index d7d19f7..3fa51a9 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/common/DisplayImeController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/common/DisplayImeController.java
@@ -468,6 +468,12 @@
                 if (mImeSourceControl == null || mImeSourceControl.getLeash() == null) {
                     if (DEBUG) Slog.d(TAG, "No leash available, not starting the animation.");
                     return;
+                } else if (!mImeRequestedVisible && show) {
+                    // we have a control with leash, but the IME was not requested visible before,
+                    // therefore aborting the show animation.
+                    Slog.e(TAG, "IME was not requested visible, not starting the show animation.");
+                    // TODO(b/353463205) fail statsToken here
+                    return;
                 }
             }
             final InsetsSource imeSource = mInsetsState.peekSource(InsetsSource.ID_IME);
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/common/DisplayImeControllerTest.java b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/common/DisplayImeControllerTest.java
index 764d5a9..654d7a8e 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/common/DisplayImeControllerTest.java
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/common/DisplayImeControllerTest.java
@@ -119,7 +119,7 @@
     @Test
     public void reappliesVisibilityToChangedLeash() {
         verifyZeroInteractions(mT);
-        mPerDisplay.mImeShowing = true;
+        mPerDisplay.mImeShowing = false;
 
         mPerDisplay.insetsControlChanged(insetsStateWithIme(false), insetsSourceControl());