sad_test: disable speed tests

Disable speed tests to avoid timeouts on jenkins
BUG=aomedia:2934

Change-Id: I6f377b6f1d87a7011f3fef1d7da5b654f1dcb1cd
diff --git a/test/sad_test.cc b/test/sad_test.cc
index afd84a8..0a54459 100644
--- a/test/sad_test.cc
+++ b/test/sad_test.cc
@@ -707,7 +707,7 @@
 
 #define SPEED_TEST (0)
 #if SPEED_TEST
-TEST_P(SADTest, Speed) {
+TEST_P(SADTest, DISABLED_Speed) {
   const int tmp_stride = source_stride_;
   source_stride_ >>= 1;
   FillRandom(source_data_, source_stride_);
@@ -763,7 +763,7 @@
 }
 
 #if SPEED_TEST
-TEST_P(SADSkipTest, Speed) {
+TEST_P(SADSkipTest, DISABLED_Speed) {
   const int tmp_stride = source_stride_;
   source_stride_ >>= 1;
   FillRandom(source_data_, source_stride_);
@@ -1021,7 +1021,7 @@
 }
 
 #if SPEED_TEST
-TEST_P(SADx4Test, Speed) {
+TEST_P(SADx4Test, DISABLED_Speed) {
   FillRandom(source_data_, source_stride_);
   FillRandom(GetReference(0), reference_stride_);
   FillRandom(GetReference(1), reference_stride_);
@@ -1105,7 +1105,7 @@
 }
 
 #if SPEED_TEST
-TEST_P(SADSkipx4Test, Speed) {
+TEST_P(SADSkipx4Test, DISABLED_Speed) {
   FillRandom(source_data_, source_stride_);
   FillRandom(GetReference(0), reference_stride_);
   FillRandom(GetReference(1), reference_stride_);
@@ -1118,7 +1118,7 @@
 using std::make_tuple;
 
 #if SPEED_TEST
-TEST_P(SADx4AvgTest, Speed) {
+TEST_P(SADx4AvgTest, DISABLED_Speed) {
   int tmp_stride = reference_stride_;
   reference_stride_ >>= 1;
   FillRandom(source_data_, source_stride_);