[scudo] [GWP-ASan] Add GWP-ASan variant of scudo benchmarks. am: 6583baa3f2 am: d79b4bb599 am: 73261a4b3c am: 683b3a0c16

Original change: https://android-review.googlesource.com/c/platform/external/scudo/+/1705746

Change-Id: Ie90c8ea122bcff8a6b3b0682a18993ed18b56ac0