[automerger skipped] Clean up reserved space for decompression when OTA cancelled am: 56ce23ae3a -s ours

am skip reason: Merged-In Id6844e4ce4f248605b4a9ae07268dea55d629265 with SHA-1 b5c07bfe7e is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/update_engine/+/14604456

Change-Id: Ibebb4c30382c6eb00f9ed5a5ea51389ef2dc519c