Merge "[refactor] Remove unused shutdownMicrodroid in MicrodroidHostTestCaseBase" am: 36ca87c8da

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2309130

Change-Id: I643364a0899300173aab4cb1366cab3b22aea767
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>