Instead of using /etc/lsb-release to store the version, channel and
build_target_id, use the Android system properties.
BUG: 22879642
Change-Id: Ic79e74bd14bf8e2c55549c08963a66700b49b544
libchromeos was updated to set the certificates path correctly, we can
enable https by default.
BUG: 23016355
Change-Id: I88393df4a6892055f4865d86de78ba3a2a5b45e8
This makes the import path less confusing:
* metrics/metrics_library.h is imported from the exported headers.
* metricsd/* for includes by the metrics daemon itself.
BUG: 22879597
Change-Id: I9f44ea3a548cae39d4546fcd724e8007f6dd4bd0