tree 2c42eb627769b8ca5127f5dbfbcacabe523c1f1d
parent 3579c4460bbd10f1f1b866859dfa4000774e9962
author Nan Zhang <nanzhang@google.com> 1518643752 -0800
committer Nan Zhang <nanzhang@google.com> 1518648189 -0800

Use BUILD_DATETIME_FROM_FILE instead of BUILD_DATETIME in brillo_config

Soong_UI will handle build timestamp and export date file to Make.

Test: m -j32
Bug: b/70351683
Change-Id: I09ac0117c899afadf28e562d83e95f3132a47e20