Replace most usages of utils/Vector.h

Change-Id: I540d1b3523244d6c71fc52d6fb30555271c25644
diff --git a/libs/hwui/TextureCache.cpp b/libs/hwui/TextureCache.cpp
index c4467f1..16f6f4b 100644
--- a/libs/hwui/TextureCache.cpp
+++ b/libs/hwui/TextureCache.cpp
@@ -216,14 +216,14 @@
 
 void TextureCache::releaseTexture(uint32_t pixelRefStableID) {
     Mutex::Autolock _l(mLock);
-    mGarbage.push(pixelRefStableID);
+    mGarbage.push_back(pixelRefStableID);
 }
 
 void TextureCache::clearGarbage() {
     Mutex::Autolock _l(mLock);
     size_t count = mGarbage.size();
     for (size_t i = 0; i < count; i++) {
-        uint32_t pixelRefId = mGarbage.itemAt(i);
+        uint32_t pixelRefId = mGarbage[i];
         mCache.remove(pixelRefId);
     }
     mGarbage.clear();