Merge "Move the '--partial' flag and output configuration to the backend." am: 52c76356a5 am: 8b0fdc9535 am: 295fe8afa2

Original change: https://android-review.googlesource.com/c/platform/development/+/1771645

Change-Id: Ibcd3622092529b658f83e07c2bdcb60502eb014f