Forward touch events above the keyboard to the suggestions strip

The gutter area between the suggestions strip and the top-row keys
looks like a part of the suggestions strip, and the touch events
landing on the area should be forwarded to the suggestions strip.

Bug: 5246673
Change-Id: I92af763be0feed21aa36ceffb5d575abe554f19e
diff --git a/java/res/layout/input_view.xml b/java/res/layout/input_view.xml
index 13560e0..2e0cddc 100644
--- a/java/res/layout/input_view.xml
+++ b/java/res/layout/input_view.xml
@@ -18,7 +18,7 @@
 */
 -->
 
-<LinearLayout
+<com.android.inputmethod.latin.InputView
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
     android:orientation="vertical"
@@ -61,4 +61,4 @@
         android:layout_alignParentBottom="true"
         android:layout_width="match_parent"
         android:layout_height="wrap_content" />
-</LinearLayout>
+</com.android.inputmethod.latin.InputView>