Merge "Rebuild vendor images in sign_target_files_apks with vendor otatools."...

Merge "Rebuild vendor images in sign_target_files_apks with vendor otatools." am: 97e0c283 am: 76e3a841 am: 38345348 am: 5efd7e63

Original change: https://android-review.googlesource.com/c/platform/build/+/1782407

Change-Id: I54517406cf05993f0ff7f3a1e98d9f48652e60eb