Tweak the tzdata format for future changes am: 4da0af149c am: 6672af7f23 am: a4a9ee7a64 am: ae30645719

Original change: https://android-review.googlesource.com/c/platform/system/timezone/+/1314835

Change-Id: I9a8fe1bcdf636d11b3dca8047a8f6f25b1e13f20