Add columns to namespace for vts target base test invocation

Test: make vts
Change-Id: Ia0284fbc11eadef572dd510bb5847160852bd517
diff --git a/ir/1.0/vts/functional/VtsHalIrV1_0TargetTest.cpp b/ir/1.0/vts/functional/VtsHalIrV1_0TargetTest.cpp
index 1dd0405..605eabb 100644
--- a/ir/1.0/vts/functional/VtsHalIrV1_0TargetTest.cpp
+++ b/ir/1.0/vts/functional/VtsHalIrV1_0TargetTest.cpp
@@ -34,7 +34,7 @@
 class ConsumerIrHidlTest : public ::testing::VtsHalHidlTargetBaseTest {
  public:
   virtual void SetUp() override {
-    ir = testing::VtsHalHidlTargetBaseTest::getService<IConsumerIr>();
+    ir = ::testing::VtsHalHidlTargetBaseTest::getService<IConsumerIr>();
     ASSERT_NE(ir, nullptr);
   }