Fix NPE in onRestoreInstanceState

Bug:21117470
Change-Id: Id14fe8382bd29b4843d8dfb75edac2c2d754151c
diff --git a/src/com/android/contacts/editor/TextFieldsEditorView.java b/src/com/android/contacts/editor/TextFieldsEditorView.java
index 4c7a322..6f24bb9 100644
--- a/src/com/android/contacts/editor/TextFieldsEditorView.java
+++ b/src/com/android/contacts/editor/TextFieldsEditorView.java
@@ -392,7 +392,8 @@
 
         mHideOptional = ss.mHideOptional;
 
-        int numChildren = Math.min(mFieldEditTexts.length, ss.mVisibilities.length);
+        int numChildren = Math.min(mFieldEditTexts == null ? 0 : mFieldEditTexts.length,
+                ss.mVisibilities == null ? 0 : ss.mVisibilities.length);
         for (int i = 0; i < numChildren; i++) {
             mFieldEditTexts[i].setVisibility(ss.mVisibilities[i]);
         }