[lldb] Disable several lldb tests that are flaky on Windows

This tests have recently become flaky (flakier?) causing occasional failures in the windows lldb buildbot

lldb/test/API/commands/watchpoints/hello_watchlocation/TestWatchLocation.py

@@ -37,6 +37,7 @@ class HelloWatchLocationTestCase(TestBase):
     # SystemZ and PowerPC also currently supports only one H/W watchpoint
     @expectedFailureAll(archs=['powerpc64le', 's390x'])
     @skipIfDarwin
+    @skipIfWindows # This test is flaky on Windows
     def test_hello_watchlocation(self):
         """Test watching a location with '-s size' option."""
         self.build(dictionary=self.d)

lldb/test/API/commands/watchpoints/watchpoint_set_command/TestWatchLocationWithWatchSet.py

@@ -34,6 +34,7 @@ class WatchLocationUsingWatchpointSetTestCase(TestBase):
             'aarch64',
             'arm'],
         bugnumber="llvm.org/pr26031")
+    @skipIfWindows # This test is flaky on Windows
     def test_watchlocation_using_watchpoint_set(self):
         """Test watching a location with 'watchpoint set expression -w write -s size' option."""
         self.build()

lldb/test/API/python_api/watchpoint/watchlocation/TestSetWatchlocation.py

@@ -28,6 +28,7 @@ class SetWatchlocationAPITestCase(TestBase):
         # This is for verifying that watch location works.
         self.violating_func = "do_bad_thing_with_location"
 
+    @skipIfWindows # This test is flaky on Windows
     def test_watch_location(self):
         """Exercise SBValue.WatchPointee() API to set a watchpoint."""
         self.build()