Fix name for canReceiveTouchInput

Actually this function is used to indicate if a window
can't receive touch input.

Test: Builds
Change-Id: If3d2001084a632c90e90a59a069989831879dd22
diff --git a/services/core/java/com/android/server/wm/InputMonitor.java b/services/core/java/com/android/server/wm/InputMonitor.java
index b47b922..1743e9c 100644
--- a/services/core/java/com/android/server/wm/InputMonitor.java
+++ b/services/core/java/com/android/server/wm/InputMonitor.java
@@ -402,7 +402,7 @@
             final InputChannel inputChannel = w.mInputChannel;
             final InputWindowHandle inputWindowHandle = w.mInputWindowHandle;
             if (inputChannel == null || inputWindowHandle == null || w.mRemoved
-                    || w.canReceiveTouchInput()) {
+                    || w.cantReceiveTouchInput()) {
                 // Skip this window because it cannot possibly receive input.
                 return;
             }
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index 93de718..54c424d 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -2396,11 +2396,11 @@
                 && (mViewVisibility == View.VISIBLE) && !mRemoveOnExit
                 && ((mAttrs.flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) == 0)
                 && (mAppToken == null || mAppToken.windowsAreFocusable())
-                && !canReceiveTouchInput();
+                && !cantReceiveTouchInput();
     }
 
-    /** @return true if this window desires touch events. */
-    boolean canReceiveTouchInput() {
+    /** @return false if this window desires touch events. */
+    boolean cantReceiveTouchInput() {
         return mAppToken != null && mAppToken.getTask() != null
                 && mAppToken.getTask().mStack.shouldIgnoreInput();
     }