Mark inactive slot as invalid after OTA completion am: 9e6bfc1a01 am: 1d3b40ca6f am: 6f609d1a44 am: 28a1620acc

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2221688

Change-Id: I1a6f73a1cabc386a5a68d6736b235cc0122a5343
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/aosp/cleanup_previous_update_action.cc b/aosp/cleanup_previous_update_action.cc
index 2aba9bf..fb7bac1 100644
--- a/aosp/cleanup_previous_update_action.cc
+++ b/aosp/cleanup_previous_update_action.cc
@@ -328,6 +328,7 @@
 
     case UpdateState::MergeCompleted: {
       LOG(INFO) << "Merge finished with state MergeCompleted.";
+      boot_control_->MarkSlotUnbootable(1 - boot_control_->GetCurrentSlot());
       processor_->ActionComplete(this, ErrorCode::kSuccess);
       return;
     }