tree 80e0f8022a38cbae1df7059d74c850d837609cb4
parent 2e9e6ffceac422b3fb9a6ccb9398558655d9bd90
author Ying Wang <wangying@google.com> 1320266948 -0700
committer Ying Wang <wangying@google.com> 1320266948 -0700

Allow to set ANDROID_BUILDSPEC as path of buildspec.mk

So that clients can set a custom buildspec.mk without adding
buildspec.mk at the top dir.

Change-Id: I4d993e24cea19caffdfe85822cdfdb9483cdfce7