incrementa build perf measurement for b
Add support for `b` and `b --config=android` builds
Bug: NA
Test: `./incremental_build.sh -c "no change" -b b -- nothing`
Change-Id: Ia29f928680984fd293dcb3d1c83d6dd35f9eba93
The code in this directory is experimental. Bazel support for Android Platform is undergoing active development and workflow stability is currently not guaranteed.