staticanalysis/bot: Upgrade to clang and llvm 7.0 from 4.0 (#1832)
staticanalysis/bot: Upgrade to clang and llvm 7.0 from 4.0 (#1832)


mozilla-releng/services,La0/mozilla-relengapi,mozilla-releng/services,La0/mozilla-relengapi,mozilla-releng/services,mozilla-releng/services,La0/mozilla-relengapi,La0/mozilla-relengapi