tree acc978bb1862682ef8d7832b17aefd2ddc3be14d
parent f39df68b7176fac3187e882e61145dcbfb1e96ac
author Yi Jin <jinyithu@google.com> 1505521499 -0700
committer Yi Jin <jinyithu@google.com> 1506540231 -0700

Implement c++ native lib for streaming proto, part 1

Extract protobuf class out and creates EncodedBuffer class
which holds protobuf data.
Next step is to create a ProtoOutputStream and let incident helper
adapt the change as well.
please see frameworks/base/core/java/android/util/proto

Bug: 65641021
Test: unit tested
Change-Id: I0dd343b2e62d60f091c8f857fae3452ec8da6b96