Revert "Fix random underflow."

ag/2820789 fixes wrap issue with compile time flag.
Bug: 65051991
Bug: 63335997

This reverts commit 448cff811f242f271f2d473939f679c89f151758.

Change-Id: I19e5222d1e8090ad4b88882c68381c26011558cb
(cherry picked from commit 42e4f501f99dd411811bf04a034f44e87e7c6b92)
1 file changed