[LLDB][SBSaveCoreOptions] Fix TestProcessSaveCore (#99692)

Summary:
In #98403 some of the tests were transitioned to the new
`SBProcess::SaveCore(SBSaveCoreOptions)` API, but were not detected in
testing. This patch addresses that.

Test Plan: 

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Differential Revision: https://phabricator.intern.facebook.com/D60251264

Author: Jlalond

lldb/test/API/functionalities/process_save_core/TestProcessSaveCore.py

@@ -20,8 +20,8 @@ def test_cannot_save_core_unless_process_stopped(self):
         target = self.dbg.CreateTarget(exe)
         process = target.LaunchSimple(None, None, self.get_process_working_directory())
         self.assertNotEqual(process.GetState(), lldb.eStateStopped)
-        options = SBSaveCoreOptions()
-        options.SetOutputFile(SBFileSpec(core))
+        options = lldb.SBSaveCoreOptions()
+        options.SetOutputFile(lldb.SBFileSpec(core))
         error = process.SaveCore(core)
         self.assertTrue(error.Fail())