gn2bp: change update_results.sh to build //base:base am: cc377df70c

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2276154

Change-Id: I9e1259f45c05fbaab8ff629259da4a6377d9c1c1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>