Iterate step of launch & iterate

Bug: 18052916

Tweaked colors, merged some categories
Reduced significance of fast frames
Increased visual weight of janky frames

Change-Id: I5b4e86164c4d51debad7de0e0f8715dda34c7a60
diff --git a/libs/hwui/utils/RingBuffer.h b/libs/hwui/utils/RingBuffer.h
index d822cb2..6895f07 100644
--- a/libs/hwui/utils/RingBuffer.h
+++ b/libs/hwui/utils/RingBuffer.h
@@ -43,11 +43,11 @@
     }
 
     T& front() {
-        return this[0];
+        return (*this)[0];
     }
 
     T& back() {
-        return this[size() - 1];
+        return (*this)[size() - 1];
     }
 
     T& operator[](size_t index) {