[LLDB] Skip TestJobControl.py AArch64/Arm Linux

TestJobControl.py is randomly failing on AArch64/Arm Linux buildbots.
I am marking it as skipped to make buildbot stable.

Author: omjavaid

lldb/test/API/driver/job_control/TestJobControl.py

@@ -10,7 +10,8 @@
 class JobControlTest(PExpectTest):
 
     mydir = TestBase.compute_mydir(__file__)
-
+    
+    @skipIf(oslist=["linux"], archs=["arm", "aarch64"])
     def test_job_control(self):
         def post_spawn():
             self.child.expect("PID=([0-9]+)")