tree a90a46d0f6c599c16c9349c6d7eefd6b7ac6a309
parent 60c4c6ad2b892bb00a6016a147b1cc089ba6bcb5
author Calin Juravle <calin@google.com> 1447953989 +0000
committer Calin Juravle <calin@google.com> 1448975326 +0000

Clean up optimizing compiler stats

- removed unused stats.
- add 'OptStat' prefix to the names of the printed
stats to make them `grep` friendly.

Change-Id: I189e98b5226465c88c4a00247cd0b9b2ddb6d66e