Revert^2 "Nullability Annotations replacement"

This reverts commit 19d1d3d15d.

Reason for revert: revert it because this is not the root cause.

bug: 316867690
Change-Id: I0f168dbb64044aa720202af7b1040afd4f028c9c

src/com/android/settings/datausage/MeasurableLinearLayout.java

@@ -1,11 +1,12 @@
 package com.android.settings.datausage;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.LinearLayout;
 
+import androidx.annotation.Nullable;
+
 public class MeasurableLinearLayout extends LinearLayout {
     private View mFixedView;
     private View mDisposableView;