Added a debug and release version of flag reader

Bug: 196602427
Test: manually tested with log statements
Change-Id: Ie01af22ef51504db5aadc0da1d367961b6aa42d4
Merged-In: Ie01af22ef51504db5aadc0da1d367961b6aa42d4
(cherry picked from commit 97d4fc7d158bb31ae30b63027f7ec483cd4b0a58)
3 files changed