odrefresh: add permission to sigkill child processes

(cherry picked from commit 522bcbe9e635f8f099173af1a14b5062cb3b3dac)
Ignore-AOSP-First: cherry-pick from aosp
Bug: 177432913
Bug: 196969404
Test: manually decrease odrefresh compilation timeout, no avc denied
Change-Id: I7dec0a3d82c82b5dea4b5f3f38d9170bb1f40840
(cherry picked from commit 86477d7933de19848fe190f0f8b188a47ef336ad)
2 files changed