Don't use __DATE__/__TIME__ on Android

Instead, pull the build date of the system from the ro.build.date system
property. Then this library will be identical as long as the sources and
dependencies don't change, and we won't have to update it on every OTA.

Bug: 24204119
Change-Id: Ie5368ec0bbbc635dc6b86f9259d6567fe26ca2ba
2 files changed