The Android flavor uses protobuf lite, does not support GCP KMS (which
does not run on Android yet). It'll also include Android-specific stuff.

The main flavor uses protobuf full and includes everything.

Change-Id: I1b271171dad8eb31aba0aef0308be1f30cf96966
ORIGINAL_AUTHOR=Thai Duong <thaidn@google.com>
GitOrigin-RevId: 8db6f588e19b4cebe624655e1f5b9184f9bbcaf2