Avoid libtistress static link to art

Make libtistress use shared linking and add missing libz dependency.

Bug: 147727942
Test: art/test/testrunner/testrunner.py --host -j72 --redefine-stress
Test: mmma art -j72

Change-Id: I3db36dd205555eb0a94d0d56d4277ee2d9b36794
1 file changed