Don't match wrap_content/match_parent children with child count = 1.
Bug #3328711

Change-Id: Ic131f2feecbeec4a7250d47193c9794aa70d22ee
diff --git a/core/java/android/widget/FrameLayout.java b/core/java/android/widget/FrameLayout.java
index 2bc6301..8c7205e 100644
--- a/core/java/android/widget/FrameLayout.java
+++ b/core/java/android/widget/FrameLayout.java
@@ -297,15 +297,15 @@
                 resolveSizeAndState(maxHeight, heightMeasureSpec,
                         childState << MEASURED_HEIGHT_STATE_SHIFT));
 
-        if (mMatchParentChildren.size() > 0) {
-            count = mMatchParentChildren.size();
+        count = mMatchParentChildren.size();
+        if (count > 1) {
             for (int i = 0; i < count; i++) {
                 final View child = mMatchParentChildren.get(i);
 
                 final MarginLayoutParams lp = (MarginLayoutParams) child.getLayoutParams();
                 int childWidthMeasureSpec;
                 int childHeightMeasureSpec;
-
+                
                 if (lp.width == LayoutParams.MATCH_PARENT) {
                     childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth() -
                             mPaddingLeft - mPaddingRight - lp.leftMargin - lp.rightMargin,
diff --git a/core/java/android/widget/HorizontalScrollView.java b/core/java/android/widget/HorizontalScrollView.java
index 50867b9..f6b1dbc 100644
--- a/core/java/android/widget/HorizontalScrollView.java
+++ b/core/java/android/widget/HorizontalScrollView.java
@@ -16,6 +16,7 @@
 
 package android.widget;
 
+import android.view.ViewDebug;
 import com.android.internal.R;
 
 import android.util.AttributeSet;
@@ -115,6 +116,7 @@
      * When set to true, the scroll view measure its child to make it fill the currently
      * visible area.
      */
+    @ViewDebug.ExportedProperty(category = "layout")
     private boolean mFillViewport;
 
     /**
diff --git a/core/java/android/widget/ScrollView.java b/core/java/android/widget/ScrollView.java
index 02f5a8b..8558c70 100644
--- a/core/java/android/widget/ScrollView.java
+++ b/core/java/android/widget/ScrollView.java
@@ -16,6 +16,7 @@
 
 package android.widget;
 
+import android.view.ViewDebug;
 import com.android.internal.R;
 
 import android.content.Context;
@@ -110,6 +111,7 @@
      * When set to true, the scroll view measure its child to make it fill the currently
      * visible area.
      */
+    @ViewDebug.ExportedProperty(category = "layout")
     private boolean mFillViewport;
 
     /**