Format the world (or just HWUI)

Test: No code changes, just ran through clang-format
Change-Id: Id23aa4ec7eebc0446fe3a30260f33e7fd455bb8c
diff --git a/libs/hwui/renderstate/Stencil.cpp b/libs/hwui/renderstate/Stencil.cpp
index f594421..dc465fc 100644
--- a/libs/hwui/renderstate/Stencil.cpp
+++ b/libs/hwui/renderstate/Stencil.cpp
@@ -136,5 +136,5 @@
     ALOGD("Stencil: state %d", mState);
 }
 
-}; // namespace uirenderer
-}; // namespace android
+};  // namespace uirenderer
+};  // namespace android