tree 7879577c05afc0222408e6f5f0902f54b25df6d3
parent ead9646f1f7ab91fd5738471acc706faeb99dc72
author Joe Onorato <joeo@android.com> 1248980067 -0700
committer Joe Onorato <joeo@android.com> 1248980067 -0700

Don't check build tools versions (including javac) every time make is run.

This trims off another 1/3 of a second from incremental build times.
VERSION_CHECK_SEQUENCE_NUMBER can be incremented to force a check.