selinux: add tools to dev path
selinux: add tools to dev path

Adds audit2allow to the path. No build required.

(cherry picked from 5f50f0534067c3df5a531f142f5a879a0da95a02)
Bug: 21724977
Change-Id: Ide320a56b9cdbfa426b978443f6df07fa2a38fbc

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build