[RESTRICT AUTOMERGE] Fix Keyboard shown after force stopped app package am: be3f005f01

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12999438

Change-Id: I709e4dc13d3d1659ca8214c6b0659a66fdca65a2

services/core/java/com/android/server/inputmethod/InputMethodManagerService.java

@@ -3274,9 +3274,6 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
 
     boolean hideCurrentInputLocked(IBinder windowToken, int flags, ResultReceiver resultReceiver,
             @SoftInputShowHideReason int reason) {
-        if (mCurClient == null || mCurClient.curSession == null) {
-            return false;
-        }
         if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0
                 && (mShowExplicitlyRequested || mShowForced)) {
             if (DEBUG) Slog.v(TAG, "Not hiding: explicit show not cancelled by non-explicit hide");