Move uboot_env.img to a new composite disk

u-boot is updated to look for the environment partition in the second
disk.

Bug: 183006588
Test: atest MicrodroidHostTestCases
Change-Id: I2e716bb85d4762f700ea7479c68ffbcfd150857c
6 files changed
tree: 19a224842f4077c198390aae552681d42d086ee3
  1. apex/
  2. authfs/
  3. docs/
  4. microdroid/
  5. tests/
  6. virtmanager/
  7. vm/
  8. .clang-format
  9. PREUPLOAD.cfg