When font cache still has empty space,
precache some commonly used characters to reduce studder.

Change-Id: I1f66f57482c4a025672dfd1d8ecaf2b9736cd9a0
diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index d30d718..2e44e122 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -569,7 +569,7 @@
     // TODO: Implement scale properly
     const Rect& clip = mSnapshot->getLocalClip();
 
-    mFontRenderer.setFont(SkTypeface::UniqueID(paint->getTypeface()), paint->getTextSize());
+    mFontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), paint->getTextSize());
     mFontRenderer.renderText(paint, &clip, text, 0, bytesCount, count, x, y);
 
     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);