Format the world (or just HWUI)

Test: No code changes, just ran through clang-format
Change-Id: Id23aa4ec7eebc0446fe3a30260f33e7fd455bb8c
diff --git a/libs/hwui/Extensions.h b/libs/hwui/Extensions.h
index 7af7f79..214ee0bbe 100644
--- a/libs/hwui/Extensions.h
+++ b/libs/hwui/Extensions.h
@@ -63,9 +63,9 @@
 
     int mVersionMajor;
     int mVersionMinor;
-}; // class Extensions
+};  // class Extensions
 
-}; // namespace uirenderer
-}; // namespace android
+};  // namespace uirenderer
+};  // namespace android
 
-#endif // ANDROID_HWUI_EXTENSIONS_H
+#endif  // ANDROID_HWUI_EXTENSIONS_H