Remove dependency on IWindowManager from InputMethodBindingController

With this CL,

  InputMethodBindingController

starts using

  WindowManagerInternal#addWindowToken()

instead of

  IWindowManager#addWindowToken()

for simplicity.

There should be no observable behavior change in this CL.

Bug: 234882948
Test: presubmit
Change-Id: Ib93d0c2b9a9580bbf1d25dda2a044741c265a0b5

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

@@ -31,7 +31,6 @@ import android.inputmethodservice.InputMethodService;
 import android.os.Binder;
 import android.os.IBinder;
 import android.os.Process;
-import android.os.RemoteException;
 import android.os.SystemClock;
 import android.os.Trace;
 import android.os.UserHandle;
@@ -39,7 +38,6 @@ import android.provider.Settings;
 import android.util.ArrayMap;
 import android.util.EventLog;
 import android.util.Slog;
-import android.view.IWindowManager;
 import android.view.WindowManager;
 import android.view.inputmethod.InputMethod;
 import android.view.inputmethod.InputMethodInfo;
@@ -66,7 +64,6 @@ final class InputMethodBindingController {
     @NonNull private final ArrayMap<String, InputMethodInfo> mMethodMap;
     @NonNull private final InputMethodUtils.InputMethodSettings mSettings;
     @NonNull private final PackageManagerInternal mPackageManagerInternal;
-    @NonNull private final IWindowManager mIWindowManager;
     @NonNull private final WindowManagerInternal mWindowManagerInternal;
     @NonNull private final Resources mRes;
 
@@ -107,7 +104,6 @@ final class InputMethodBindingController {
         mMethodMap = mService.mMethodMap;
         mSettings = mService.mSettings;
         mPackageManagerInternal = mService.mPackageManagerInternal;
-        mIWindowManager = mService.mIWindowManager;
         mWindowManagerInternal = mService.mWindowManagerInternal;
         mRes = mService.mRes;
     }
@@ -432,17 +428,13 @@ final class InputMethodBindingController {
 
         mService.setCurTokenDisplayIdLocked(displayIdToShowIme);
 
-        try {
-            if (DEBUG) {
-                Slog.v(TAG, "Adding window token: " + mCurToken + " for display: "
-                        + displayIdToShowIme);
-            }
-            mIWindowManager.addWindowToken(mCurToken, WindowManager.LayoutParams.TYPE_INPUT_METHOD,
-                    displayIdToShowIme, null /* options */);
-        } catch (RemoteException e) {
-            Slog.e(TAG, "Could not add window token " + mCurToken + " for display "
-                    + displayIdToShowIme, e);
+        if (DEBUG) {
+            Slog.v(TAG, "Adding window token: " + mCurToken + " for display: "
+                    + displayIdToShowIme);
         }
+        mWindowManagerInternal.addWindowToken(mCurToken,
+                WindowManager.LayoutParams.TYPE_INPUT_METHOD,
+                displayIdToShowIme, null /* options */);
     }
 
     @GuardedBy("ImfLock.class")