Add an earlier call to super.onMeasure()

Fixes: 33280622

mTop/BottomPaddingOffset were not being initialized before they were
being used in CalculatorResult.onMeasure()

Change-Id: I38ae4b5f0d2c2407d04810e7720710d17aa347da
diff --git a/src/com/android/calculator2/CalculatorResult.java b/src/com/android/calculator2/CalculatorResult.java
index 5a23c01..c1750ef 100644
--- a/src/com/android/calculator2/CalculatorResult.java
+++ b/src/com/android/calculator2/CalculatorResult.java
@@ -255,6 +255,7 @@
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         if (!isLaidOut()) {
+            super.onMeasure(widthMeasureSpec, heightMeasureSpec);
             // Set a minimum height so scaled error messages won't affect our layout.
             setMinimumHeight(getLineHeight() + getCompoundPaddingBottom()
                     + getCompoundPaddingTop());