Add overrides and switch to nullptr keyword for all files
Adds remaining missing overrides and nullptr usages, missed due to
an extreme failure in tool usage.
Change-Id: I56abd72975a3999ad13330003c348db40f59aebf
diff --git a/libs/hwui/Patch.cpp b/libs/hwui/Patch.cpp
index 442dc5b..8a4d65b 100644
--- a/libs/hwui/Patch.cpp
+++ b/libs/hwui/Patch.cpp
@@ -71,7 +71,7 @@
uint32_t yCount = patch->numYDivs;
uint32_t maxVertices = ((xCount + 1) * (yCount + 1) - emptyQuads) * 4;
- if (maxVertices == 0) return NULL;
+ if (maxVertices == 0) return nullptr;
vertices.reset(new TextureVertex[maxVertices]);
TextureVertex* vertex = vertices.get();