[LLDB] Skip TestMultipleTargets.py on Arm/AArch64 Linux

TestMultipleTargets.py fails randomly on Arm/AArch64 Linux buildbot with
no reasonable clues. I am marking it skipped for avoiding LLDB buildbot
failures due to this test.

GitOrigin-RevId: c2123a82cd0076c548d2b8c2acc14408681d7f89
diff --git a/test/API/api/multiple-targets/TestMultipleTargets.py b/test/API/api/multiple-targets/TestMultipleTargets.py
index 7931cc4..94b09c7 100644
--- a/test/API/api/multiple-targets/TestMultipleTargets.py
+++ b/test/API/api/multiple-targets/TestMultipleTargets.py
@@ -16,6 +16,7 @@
     mydir = TestBase.compute_mydir(__file__)
     NO_DEBUG_INFO_TESTCASE = True
 
+    @skipIf(oslist=["linux"], archs=["arm", "aarch64"])
     @skipIfNoSBHeaders
     @skipIfHostIncompatibleWithRemote
     @expectedFailureAll(