Support custom AVB signing for recovery media

.. select bootloader will need capability to boot vbmeta signed with non
device keys.

Bug: 467740614, 467740616
Test: m pack-recovery-image
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:c85054666fca87dbb4c1f4062e6039acf96520da
Merged-In: Icf030b3b5a7f377b82ab9b2176e78b36c266588f
Change-Id: Icf030b3b5a7f377b82ab9b2176e78b36c266588f
1 file changed
tree: 954e62157138002e77ea747964d3f00b73cd6869
  1. backported_fixes/
  2. ci/
  3. common/
  4. core/
  5. packaging/
  6. target/
  7. teams/
  8. tests/
  9. tools/
  10. .gitignore
  11. Android.bp
  12. banchanHelp.sh
  13. buildspec.mk.default
  14. Changes.md
  15. CleanSpec.mk
  16. Deprecation.md
  17. envsetup.sh
  18. help.sh
  19. navbar.md
  20. OWNERS
  21. PREUPLOAD.cfg
  22. rbesetup.sh
  23. README.md
  24. shell_utils.sh
  25. tapasHelp.sh
  26. Usage.txt
README.md

Android Make Build System

This is the Makefile-based portion of the Android Build System.

For documentation on how to run a build, see Usage.txt

For a list of behavioral changes useful for Android.mk writers see Changes.md

For an outdated reference on Android.mk files, see build-system.html. Our Android.mk files look similar, but are entirely different from the Android.mk files used by the NDK build system. When searching for documentation elsewhere, ensure that it is for the platform build system -- most are not.

This Makefile-based system is in the process of being replaced with Soong, a new build system written in Go. During the transition, all of these makefiles are read by Kati, and generate a ninja file instead of being executed directly. That's combined with a ninja file read by Soong so that the build graph of the two systems can be combined and run as one.