Fix AOSP build - DO NOT MERGE

Change-Id: I42b420c2ce89ce364a2809b28b827964e6923fa1
diff --git a/libs/hwui/TextureCache.cpp b/libs/hwui/TextureCache.cpp
index 54a206b..ad235a9 100644
--- a/libs/hwui/TextureCache.cpp
+++ b/libs/hwui/TextureCache.cpp
@@ -184,7 +184,7 @@
     Mutex::Autolock _l(mLock);
     size_t count = mGarbage.size();
     for (size_t i = 0; i < count; i++) {
-        const SkBitmap* bitmap = mGarbage.itemAt(i);
+        SkBitmap* bitmap = mGarbage.itemAt(i);
         mCache.remove(bitmap);
         delete bitmap;
     }