Add in GN the data dependencies required by the dEQP tests.

BUG=580045

Change-Id: I3424568c6b200d6b6eb9921c6c09a3b3c974d710
Reviewed-on: https://chromium-review.googlesource.com/326320
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>

src/tests/BUILD.gn

@@ -309,6 +309,8 @@ if (build_angle_deqp_tests) {
 
       data = [
         "deqp_support/deqp_${api_name}_test_expectations.txt",
+        "../../../deqp/src/android/cts/master/${api_name}-master.txt",
+        "../../../deqp/src/data/",
       ]
 
       if (is_linux && !is_component_build) {