[automerger skipped] This change add exported flags to droidcore am: 865c0148 -s ours

am skip reason: Merged-In Iff6e95784ba17c7c2f4d563a4940bcf934558acc with SHA-1 aa9cafa6 is already in history

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/3554684



Change-Id: I5e2d2cb42fa5a2e65b5fe70e499738f60bb64f18
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>