Add tmp buffer to rounded corners

- Testing if this actually moves the gesture out of the screen decor area

Bug: 197326121
Test: Pre/postsubmit
Change-Id: I3c46ed3860ba6ba1fb605242b4f7242aaabc5672

tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java

@@ -1559,10 +1559,12 @@ public final class LauncherInstrumentation {
     }
 
     float getWindowCornerRadius() {
+        // TODO(b/197326121): Check if the touch is overlapping with the corners by offsetting
+        final float tmpBuffer = 100f;
         final Resources resources = getResources();
         if (!supportsRoundedCornersOnWindows(resources)) {
             Log.d(TAG, "No rounded corners");
-            return 0f;
+            return tmpBuffer;
         }
 
         // Radius that should be used in case top or bottom aren't defined.
@@ -1581,7 +1583,7 @@ public final class LauncherInstrumentation {
         // Always use the smallest radius to make sure the rounded corners will
         // completely cover the display.
         Log.d(TAG, "Rounded corners top: " + topRadius + " bottom: " + bottomRadius);
-        return Math.max(topRadius, bottomRadius);
+        return Math.max(topRadius, bottomRadius) + tmpBuffer;
     }
 
     private static boolean supportsRoundedCornersOnWindows(Resources resources) {