Update process config when global config changed

This change will call process config update when a global config
changed. This will ensure the running process can get a up to dated
config.

Bug: 116429377
Bug: 113253755
Test: repro steps on the bug b/116429377 will not produce the bug
anymore.
Test: go/wm-smoke
Change-Id: If7f1f867f127e33e0c53e8be7179233e5340eea1