Format the world (or just HWUI)

Test: No code changes, just ran through clang-format
Change-Id: Id23aa4ec7eebc0446fe3a30260f33e7fd455bb8c
diff --git a/libs/hwui/SwapBehavior.h b/libs/hwui/SwapBehavior.h
index 4091670c..3a176d7 100644
--- a/libs/hwui/SwapBehavior.h
+++ b/libs/hwui/SwapBehavior.h
@@ -26,8 +26,8 @@
     kSwap_discardBuffer,
 };
 
-} // namespace renderthread
-} //namespace uirenderer
-} // namespace android
+}  // namespace renderthread
+}  // namespace uirenderer
+}  // namespace android
 
-#endif //HWUI_SWAPBEHAVIOR_H
+#endif  // HWUI_SWAPBEHAVIOR_H