[LLDB][NFC] Fix test that broke due to libc++ std::vector changes

D112976 moved most of the guts of __vector_base into vector, this broke
some LLDB tests by changing the result types that LLDB sees. This updates
the test to reflect the new structure.

lldb/test/API/commands/expression/import-std-module/vector-of-vectors/TestVectorOfVectorsFromStdModule.py

@@ -23,7 +23,7 @@ class TestVectorOfVectors(TestBase):
         vector_type = "std::vector<int>"
         vector_of_vector_type = "std::vector<" + vector_type + " >"
         size_type = vector_of_vector_type + "::size_type"
-        value_type = "std::__vector_base<int, std::allocator<int> >::value_type"
+        value_type = "std::vector<int>::value_type"
 
         self.runCmd("settings set target.import-std-module true")
 

lldb/test/API/commands/expression/import-std-module/vector/TestVectorFromStdModule.py

@@ -24,7 +24,7 @@ class TestBasicVector(TestBase):
 
         vector_type = "std::vector<int>"
         size_type = vector_type + "::size_type"
-        value_type = "std::__vector_base<int, std::allocator<int> >::value_type"
+        value_type = "std::vector<int>::value_type"
         iterator = vector_type + "::iterator"
         # LLDB's formatter provides us with a artificial 'item' member.
         iterator_children = [ValueCheck(name="item")]