Suppress uninitialized value warnings. am: 6e4f345e8a am: 9f4fc0f7a4

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2365953

Change-Id: I94a79e7a870fe28f87b3818acb6b8436cb0c2522
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>