tree fbce59b895518f4815a7c17e28d4e382fc268c48
parent 50367cc77db4f576f6e7421e6b302395d202482e
author Ying Wang <wangying@google.com> 1405814450 -0700
committer Ying Wang <wangying@google.com> 1405814450 -0700

Support "LOCAL_SDK_VERSION := system_current"

A module can declare "LOCAL_SDK_VERSION := system_current" to build
against the android system stubs generated from source.
For now this is only supported in platform build.

Change-Id: I1e9bbd159886bc0ea3a02b1dc4cbcb1a56e9cb15