Add dirgroup for trusty genrule am: 513044cffe am: f84198619d Original change: https://android-review.googlesource.com/c/trusty/device/x86/generic-x86_64/+/3304101 Change-Id: I01730a9dd6e376fa192fc926b7c20d2d1125cf4d Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>