[automerger skipped] Add CtsStagedInstallHostTestCases to MTS. am: f282a24dd3 -s ours am: 6e568bc6cb -s ours
am: 7db438d7e4 -s ours
am skip reason: change_id Id89ef7c34b74f006cc5bc40015216418f88ec205 with SHA1 700cd8ddff is in history

Change-Id: I00d9c9dac6f8dcb510fb3bb5a5466a33e7833a14