Allow LauncherOverlay to access and manage insets

Change-Id: Ib9faf37eb22ad2a0b18c076978ec9f2fd8864c0c
diff --git a/src/com/android/launcher3/LauncherRootView.java b/src/com/android/launcher3/LauncherRootView.java
new file mode 100644
index 0000000..e8c11c4
--- /dev/null
+++ b/src/com/android/launcher3/LauncherRootView.java
@@ -0,0 +1,17 @@
+package com.android.launcher3;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+
+public class LauncherRootView extends InsettableFrameLayout {
+    public LauncherRootView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected boolean fitSystemWindows(Rect insets) {
+        setInsets(insets);
+        return true; // I'll take it from here
+    }
+}
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