provision: Don't install lsb-release if already installed.
provision: Don't install lsb-release if already installed.

This early bootstrapping step should be rearely required, and it saves
about 0.5s in our no-op provision time.

showell/zulip,zulip/zulip,jackrzhang/zulip,synicalsyntax/zulip,andersk/zulip,kou/zulip,synicalsyntax/zulip,tommyip/zulip,tommyip/zulip,rht/zulip,eeshangarg/zulip,eeshangarg/zulip,rishig/zulip,andersk/zulip,hackerkid/zulip,punchagan/zulip,jackrzhang/zulip,kou/zulip,rishig/zulip,kou/zulip,rht/zulip,showell/zulip,brainwane/zulip,andersk/zulip,rht/zulip,rht/zulip,dhcrzf/zulip,zulip/zulip,andersk/zulip,dhcrzf/zulip,kou/zulip,andersk/zulip,showell/zulip,brainwane/zulip,shubhamdhama/zulip,rishig/zulip,kou/zulip,hackerkid/zulip,punchagan/zulip,rht/zulip,zulip/zulip,brainwane/zulip,rishig/zulip,brainwane/zulip,brainwane/zulip,rishig/zulip,hackerkid/zulip,shubhamdhama/zulip,dhcrzf/zulip,rishig/zulip,shubhamdhama/zulip,kou/zulip,showell/zulip,zulip/zulip,punchagan/zulip,synicalsyntax/zulip,synicalsyntax/zulip,tommyip/zulip,dhcrzf/zulip,eeshangarg/zulip,eeshangarg/zulip,timabbott/zulip,timabbott/zulip,shubhamdhama/zulip,punchagan/zulip,eeshangarg/zulip,dhcrzf/zulip,zulip/zulip,punchagan/zulip,jackrzhang/zulip,hackerkid/zulip,synicalsyntax/zulip,timabbott/zulip,tommyip/zulip,rht/zulip,zulip/zulip,punchagan/zulip,tommyip/zulip,showell/zulip,jackrzhang/zulip,dhcrzf/zulip,hackerkid/zulip,timabbott/zulip,shubhamdhama/zulip,showell/zulip,rishig/zulip,hackerkid/zulip,eeshangarg/zulip,hackerkid/zulip,shubhamdhama/zulip,synicalsyntax/zulip,kou/zulip,dhcrzf/zulip,tommyip/zulip,timabbott/zulip,rht/zulip,timabbott/zulip,jackrzhang/zulip,jackrzhang/zulip,andersk/zulip,eeshangarg/zulip,andersk/zulip,brainwane/zulip,timabbott/zulip,synicalsyntax/zulip,zulip/zulip,punchagan/zulip,jackrzhang/zulip,tommyip/zulip,shubhamdhama/zulip,brainwane/zulip,showell/zulip