Glop ColorFilter & VertexBuffer support, initial enable

Enables Glop rendering for supported Rects and VertexBuffers
Also removes unused Query object

Change-Id: Ibe227bc362685a153159f75077664f0947764e06
diff --git a/libs/hwui/AmbientShadow.cpp b/libs/hwui/AmbientShadow.cpp
index 6ec42c2..0a210d6 100644
--- a/libs/hwui/AmbientShadow.cpp
+++ b/libs/hwui/AmbientShadow.cpp
@@ -179,7 +179,7 @@
 void AmbientShadow::createAmbientShadow(bool isCasterOpaque,
         const Vector3* casterVertices, int casterVertexCount, const Vector3& centroid3d,
         float heightFactor, float geomFactor, VertexBuffer& shadowVertexBuffer) {
-    shadowVertexBuffer.setMode(VertexBuffer::kIndices);
+    shadowVertexBuffer.setMeshFeatureFlags(VertexBuffer::kAlpha | VertexBuffer::kIndices);
 
     // In order to computer the outer vertices in one loop, we need pre-compute
     // the normal by the vertex (n - 1) to vertex 0, and the spike and alpha value