Revert "Disable CtsInstallHostTestCases in TEST_MAPPING postsubmit run"

This reverts commit 2241979f3b939a421db0fb3ef5f569edb31cd080.

Reason for revert: b/157358803

Exempt-From-Owner-Approval: revert earlier CL.

Change-Id: Idd21368b165271299c15c903f0f3b988f3a40b14
1 file changed