Hwui: Remove unused variables

For build-system CFLAGS clean-up, remove unused variables.

Bug: 18632512
Change-Id: Ic58bedc84234325512193991fc64315e3aad6f9e
diff --git a/libs/hwui/FontRenderer.cpp b/libs/hwui/FontRenderer.cpp
index 35051b7..9c2c119 100644
--- a/libs/hwui/FontRenderer.cpp
+++ b/libs/hwui/FontRenderer.cpp
@@ -474,7 +474,6 @@
     if (!mFunctor) return;
 
     bool first = true;
-    bool forceRebind = false;
     for (uint32_t i = 0; i < cacheTextures.size(); i++) {
         CacheTexture* texture = cacheTextures[i];
         if (texture->canDraw()) {
@@ -487,7 +486,6 @@
             mFunctor->draw(*texture, mLinearFiltering);
 
             texture->resetMesh();
-            forceRebind = false;
         }
     }
 }
diff --git a/libs/hwui/tests/main.cpp b/libs/hwui/tests/main.cpp
index a224376..69e8225 100644
--- a/libs/hwui/tests/main.cpp
+++ b/libs/hwui/tests/main.cpp
@@ -231,14 +231,11 @@
         renderer->drawColor(0xFFFF00FF, SkXfermode::kSrcOver_Mode);
 
         SkRegion region;
-        float rects[width * height];
-        int index = 0;
         for (int xOffset = 0; xOffset < width; xOffset+=2) {
             for (int yOffset = 0; yOffset < height; yOffset+=2) {
                 region.op(xOffset, yOffset, xOffset + 1, yOffset + 1, SkRegion::kUnion_Op);
             }
         }
-        int count = width * height;
 
         SkPaint paint;
         paint.setColor(0xff00ffff);