Fix textStyle being ignored for Font resources in TextView

When a font resource is set via fontFamily, the textStyle
attribute was being ignored.

Bug: 36505747
Test: cts attached in topic
Change-Id: I6418297d9a289460a3b36c6883441ac48ea33b22

core/java/android/widget/TextView.java

@@ -2031,6 +2031,8 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
         Typeface tf = fontTypeface;
         if (tf == null && familyName != null) {
             tf = Typeface.create(familyName, styleIndex);
+        } else if (tf != null && tf.getStyle() != styleIndex) {
+            tf = Typeface.create(tf, styleIndex);
         }
         if (tf != null) {
             setTypeface(tf);