Use TextView's text locale for capitalization.

BUG: 19284889
Change-Id: Icd3c1dd3b31c23025bc974bcbb5a3618196434e7

core/java/android/text/method/AllCapsTransformationMethod.java

@@ -19,6 +19,7 @@ import android.content.Context;
 import android.graphics.Rect;
 import android.util.Log;
 import android.view.View;
+import android.widget.TextView;
 
 import java.util.Locale;
 
@@ -39,11 +40,23 @@ public class AllCapsTransformationMethod implements TransformationMethod2 {
 
     @Override
     public CharSequence getTransformation(CharSequence source, View view) {
-        if (mEnabled) {
-            return source != null ? source.toString().toUpperCase(mLocale) : null;
+        if (!mEnabled) {
+            Log.w(TAG, "Caller did not enable length changes; not transforming text");
+            return source;
         }
-        Log.w(TAG, "Caller did not enable length changes; not transforming text");
-        return source;
+
+        if (source == null) {
+            return null;
+        }
+
+        Locale locale = null;
+        if (view instanceof TextView) {
+            locale = ((TextView)view).getTextLocale();
+        }
+        if (locale == null) {
+            locale = mLocale;
+        }
+        return source.toString().toUpperCase(locale);
     }
 
     @Override