Add an option to omit contrib tests in ci build.

Change: 150463151

tensorflow/tools/ci_build/ci_parameterized_build.sh

@@ -88,6 +88,9 @@
 #                     Use the specified configurations when building.
 #                     When set, overrides TF_BUILD_IS_OPT and TF_BUILD_MAVX
 #                     options, as this will replace the two.
+#   TF_SKIP_CONTRIB_TESTS:
+#                     If set to any non-empty or non-0 value, will skipp running
+#                     contrib tests.
 #
 # This script can be used by Jenkins parameterized / matrix builds.
 
@@ -146,6 +149,10 @@ else
   EXTRA_PARAMS="${EXTRA_PARAMS} -e TF_BUILD_ENABLE_XLA=1"
 fi
 
+if [[ -n "$TF_SKIP_CONTRIB_TESTS" ]]; then
+  BAZEL_TARGET="$BAZEL_TARGET -//tensorflow/contrib/..."
+fi
+
 TUT_TEST_DATA_DIR="/tmp/tf_tutorial_test_data"
 
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