Add repack_super_image

Bug: 148839595
Test: make dist gsi_utils
Test: repack_super_image \
      --ota-tools $ANDROID_PRODUCT_OUT/otatools.zip \
      --misc-info ./misc_info.txt \
      ./super.img product= \
      system=$ANDROID_PRODUCT_OUT/system.img
Change-Id: I29ff8c6f0e117d3b42cc975929bd0a0823136bc9
2 files changed