Revert "Go back to incrementing hotness in backedges of baseline code."

This reverts commit 9bbb9f368274de998317cee1ebd300266b957e6d.

Reason for revert: Fixing merge conflicts with 2906377

Change-Id: I7ed4ca7c125befb73a828fb6d12bf3125a44f86e
10 files changed