riscv64: Temporary disable compression in jni test

Temporary disable auto-compression in JNI macro assembler
tests. It required to properly split compression-related commits
into separate parts

Test: m test-art-host-gtest
Test: run-gtests.sh
Test: testrunner.py --target --optimizing
Bug: 328561342
Change-Id: Iba6042b9c381a4c710058fd45faf402a3a4b9688