hikey-v2 & x15-v2: change visibility from public to lkft group

so that the jobs could be only seen by users in lkft group

Change-Id: I46027722070b02ecbf201c6d5241a24b8643de47
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
diff --git a/android/x15-v2/template-cts-opengl-v7a.yaml b/android/x15-v2/template-cts-opengl-v7a.yaml
index 359b0fb..eae12a5 100644
--- a/android/x15-v2/template-cts-opengl-v7a.yaml
+++ b/android/x15-v2/template-cts-opengl-v7a.yaml
@@ -8,7 +8,9 @@
   connection:
     minutes: 2
 priority: low
-visibility: public
+visibility:
+  group:
+    - lkft
 
 metadata:
   android.build: "%%ANDROID_META_BUILD%%"