Merge "Update OWNERS file for blobstore related code." into main am: 6b88ea01

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3257190



Change-Id: I530f9e28cd69347a9e4dfc9b122a2e33eeeb06b9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>