Merge "Allow otatools to deduce partial partition list from input" am: 1ecedfc3

Original change: https://android-review.googlesource.com/c/platform/build/+/2374690



Change-Id: Ibf1afa3cbb26c95e8dbaaa03f13b43716d730fd3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>