Few improvements for Companion widget APIs

1. reset ViewRootImpl#mLastClickToolType for KeyEvents
2. move EditorInfo#mInitialToolType initialization so we dont
   explicitly hold lock for one line of code.

Bug: 233108064
Test: atest CtsInputMethodTestCases

Change-Id: I76d3c4c14928a2eb4c1cda48dd3b9a866963d06f

core/java/android/view/ViewRootImpl.java

@@ -6403,6 +6403,12 @@ public final class ViewRootImpl implements ViewParent,
             // Make sure the fallback event policy sees all keys that will be
             // delivered to the view hierarchy.
             mFallbackEventHandler.preDispatchKeyEvent(event);
+
+            // Reset last tracked MotionEvent click toolType.
+            if (event.getAction() == KeyEvent.ACTION_DOWN) {
+                mLastClickToolType = MotionEvent.TOOL_TYPE_UNKNOWN;
+            }
+
             return FORWARD;
         }
 

core/java/android/view/inputmethod/InputMethodManager.java

@@ -2341,9 +2341,6 @@ public final class InputMethodManager {
         editorInfo.packageName = view.getContext().getOpPackageName();
         editorInfo.autofillId = view.getAutofillId();
         editorInfo.fieldId = view.getId();
-        synchronized (mH) {
-            editorInfo.setInitialToolType(mCurRootView.getLastClickToolType());
-        }
         InputConnection ic = view.onCreateInputConnection(editorInfo);
         if (DEBUG) Log.v(TAG, "Starting input: editorInfo=" + editorInfo + " ic=" + ic);
 
@@ -2383,6 +2380,8 @@ public final class InputMethodManager {
                 startInputFlags |= StartInputFlags.INITIAL_CONNECTION;
             }
 
+            editorInfo.setInitialToolType(mCurRootView.getLastClickToolType());
+
             // Hook 'em up and let 'er rip.
             mCurrentEditorInfo = editorInfo.createCopyInternal();
             // Store the previously served connection so that we can determine whether it is safe