Revert "run-libcore-tests.sh runs test.java.lang.StackWalker tes..." am: 0af80ada91 am: dd31311a79 am: dbeb521e22 am: e3ac2c3d6e

Original change: https://android-review.googlesource.com/c/platform/art/+/2176003

Change-Id: I69e577758ca95bf12631dd5b3093d68fd3a23ec9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>