Add CPU_WRITE_RARELY flag

Without this flag, the test may fail with SEGV_ACCERR.

Bug: 293475360
Test: Run test
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:8c5976f06a9c9b0cb92735c3eeba7f7485f4e7ca)
Merged-In: I2d7cfba94145239afde196567400c966a2769419
Change-Id: I2d7cfba94145239afde196567400c966a2769419
1 file changed