[lldb] Mark TestTsanBasic and TestUbsanBasic as "no debug info" tests

Speed up testing by not rerunning the test for all debug info variants.

lldb/test/API/functionalities/tsan/basic/TestTsanBasic.py

@@ -20,6 +20,7 @@ class TsanBasicTestCase(TestBase):
     @skipIfFreeBSD  # llvm.org/pr21136 runtimes not yet available by default
     @skipIfRemote
     @skipUnlessThreadSanitizer
+    @no_debug_info_test
     def test(self):
         self.build()
         self.tsan_tests()

lldb/test/API/functionalities/ubsan/basic/TestUbsanBasic.py

@@ -15,6 +15,7 @@ class UbsanBasicTestCase(TestBase):
     mydir = TestBase.compute_mydir(__file__)
 
     @skipUnlessUndefinedBehaviorSanitizer
+    @no_debug_info_test
     def test(self):
         self.build()
         self.ubsan_tests()