[scudo] Disable secondary cache-unmap tests on arm32.

Looks like secondary pointers don't get unmapped on one of the arm32
bots. In the interests of landing some dependent patches, disable this
test on arm32 so that it can be tested in isolation later.

Reviewed By: cryptoad, vitalybuka

Split from differential patchset (1/2): https://reviews.llvm.org/D102648

GitOrigin-RevId: 577a80bff8bdf9b26c0f4ff6d1807e43da66ec6a
Change-Id: I7a4adc7dc00f0c837f105ef44f83e97203b95543
1 file changed