Fix for UnmapPartitionOnDeviceMapper am: 94fa3e525f

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/3380291

Change-Id: Ideb976cb7bf46c4d1723bb4ebafce83722504ae6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/aosp/dynamic_partition_control_android.cc b/aosp/dynamic_partition_control_android.cc
index 363a433..d1c3bf2 100644
--- a/aosp/dynamic_partition_control_android.cc
+++ b/aosp/dynamic_partition_control_android.cc
@@ -298,7 +298,6 @@
       target_partition_name.ends_with("_b")) {
     auto slot = target_partition_name.ends_with("_a") ? 0 : 1;
     device_name = GetDeviceName(target_partition_name, slot);
-    return false;
   }
   if (DeviceMapper::Instance().GetState(device_name) !=
       DmDeviceState::INVALID) {