Do not use unstable Android styable.CheckBoxPreference

Make a local copy instead.

Following commit 3fd8d50

Bug: 137202333
Test: make
Change-Id: Ida35e22b9ac4838e1927b30355f1217747ad43e5
diff --git a/src/com/android/phone/CallBarringEditPreference.java b/src/com/android/phone/CallBarringEditPreference.java
index edff1e3..4b89cd9 100644
--- a/src/com/android/phone/CallBarringEditPreference.java
+++ b/src/com/android/phone/CallBarringEditPreference.java
@@ -77,9 +77,9 @@
         super(context, attrs);
         // Get the summary settings, use CheckBoxPreference as the standard.
         TypedArray typedArray = context.obtainStyledAttributes(attrs,
-                android.R.styleable.CheckBoxPreference, 0, 0);
-        mSummaryOn = typedArray.getString(android.R.styleable.CheckBoxPreference_summaryOn);
-        mSummaryOff = typedArray.getString(android.R.styleable.CheckBoxPreference_summaryOff);
+                R.styleable.CheckBoxPreference, 0, 0);
+        mSummaryOn = typedArray.getString(R.styleable.CheckBoxPreference_summaryOn);
+        mSummaryOff = typedArray.getString(R.styleable.CheckBoxPreference_summaryOff);
         mDisableText = context.getText(R.string.disable);
         mEnableText = context.getText(R.string.enable);
         typedArray.recycle();