Merge "Add a doc about `dex_preopt_check`." am: a3dc7921 am: eabde79e am:...

Merge "Add a doc about `dex_preopt_check`." am: a3dc7921 am: eabde79e am: 7e9e1ae7 am: 0c399b86 am: e1226bc8

Original change: https://android-review.googlesource.com/c/platform/build/+/2098894



Change-Id: I4ba7692996660c309b7eec55b6173ed7dbf55bc3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>