Add more configurations for rundiff tests

stage0:
  no apexes. this configuration corresponds to the one for
  apexd-bootstrap process.

stage1:
  with bootstrap apexes. this corresponds to the one right after
  apexd-bootstrap finishes

stage2:
  with all apexes. this corresponds to the one for every other
  processes.

product-enabled:
  ro.product.vndk.version is set.

vndk-lite:
  ro.vndk.lite is set to true.

Bug: 140599044
Test: ./rundiff.sh
Change-Id: If7dc6aedf05e2078643e52559c580de425693dc5
32 files changed