Avoid using flock on profiles. am: ea2c68d27e

Original change: https://android-review.googlesource.com/c/platform/art/+/2421123

Change-Id: I7fe916a422c4924bcf013aeba73c94e13b81eb90
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>