tree 2ba58b2b17fada706d999ed15857b59a58cdd2b5
parent 5f14a83ea0fa270070bd46c7f08d54b03ad5ae7c
author Li Li <dualli@google.com> 1622088704 -0700
committer android-build-team Robot <android-build-team-robot@google.com> 1622150834 +0000

Fix process group of webview zygote

New processes forked from webview zygote should have their own process
group. Otherwise, some operations applied to any children will wrongly
impact all other children, like freezing or kill.

Bug: 62435375
Bug: 168907513
Bug: 189211698
Test: Verified webview children have their own cgroupfs node. Also,
freezing any children won't impact other children and webview zygote
itself.

Change-Id: I0606a8c8360fbb9e0851e2f799c6aaee521937ca
(cherry picked from commit da9ad351295b69485663594fcd23faf74fc5c663)