Merge "Switch care_map_generator.py to Python 3." am: f2e577eda8 am: 79f73eea4b

Original change: https://android-review.googlesource.com/c/platform/bootable/recovery/+/1606758

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I7a060dc53993f258a0bc871adc5fed3d98bff6d4