Merge "Add ctl.apex_(un)load properties to (un)load apex" am: e271146e am:...

Merge "Add ctl.apex_(un)load properties to (un)load apex" am: e271146e am: e03286ac am: 2c57f71c

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2146970



Change-Id: I27fbfed9578371b4a58f9627fd609591940e472b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>