Remove stack protector from checkjni functions too am: f531f197b8 am: 8aa67bdc67 am: d3b7f3e634

Original change: https://android-review.googlesource.com/c/platform/art/+/2321421

Change-Id: Ia02d4adc013c92ba8df9a22477dac1d6d410b565
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>