Add test utilities for shell permission identity

Add utilities allowing to run lambdas with shell permissions, in kotlin
and java tests.

Bug: 168868607
Test: m
Change-Id: Iaab38d498338b9e95d263789119cd0813983087d
1 file changed
tree: 0d07bd31912724febd270bd84d06fbe3c0010b19
  1. staticlibs/