Only use aq-mode 0 for speed < 7.

aq-mode 1 2 3 hurt psnr.

BUG=aomedia:2382

Change-Id: Ia7650145fed01203573a3173d683daff76c0a545

test/rt_end_to_end_test.cc

diff --git a/test/rt_end_to_end_test.cc b/test/rt_end_to_end_test.cc
index 3ba0b96..f09fff8 100644
--- a/test/rt_end_to_end_test.cc
+++ b/test/rt_end_to_end_test.cc
@@ -136,7 +136,7 @@
 AV1_INSTANTIATE_TEST_CASE(RTEndToEndTestLarge,
                           ::testing::ValuesIn(kTestVectors),
                           ::testing::Range(0, 7),
-                          ::testing::Range<unsigned int>(0, 4));
+                          ::testing::Values<unsigned int>(0));
 
 AV1_INSTANTIATE_TEST_CASE(RTEndToEndTest, ::testing::Values(kTestVectors[0]),
                           ::testing::Range(7, 9),