Swallow exception from failed idmap2d disable

If the idmap daemon cannot be disabled for some reason, it is okay
to swallow the exception caused by failing to set "ctl.stop". Log a
warning instead.

Bug: 186761471
Test: builds
Change-Id: Iae07c9f9af6a0c07fd6d89d97452f0add19db56d
1 file changed