Fix lunch choices for git_main am: d319529aed

Original change: https://android-review.googlesource.com/c/device/linaro/hikey/+/2811373

Change-Id: Idb75b7f6d71791ecd9fd389c0deb92a6af0868c7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>