libfuzzer: Disable broken tests for arm

libfuzzer was recently enabled for Arm32 in D112091.
A few tests apparently do not work with arm32 so disable them.
The list of tests was obtained from
https://lab.llvm.org/buildbot/#/builders/190/builds/513

Reviewed By: morehouse

Differential Revision: https://reviews.llvm.org/D114312

GitOrigin-RevId: 2e67276d984d9d03e24487c987570a8e091759d0
7 files changed