GN: Merge apk_deps and deps in test() template

apk_deps has been causing some unneccesary confusion.

BUG=558193
[email protected],[email protected]

Review URL: https://codereview.chromium.org/1465923002

Cr-Commit-Position: refs/heads/master@{#362432}
diff --git a/gpu/BUILD.gn b/gpu/BUILD.gn
index 167ff15a..7193022c 100644
--- a/gpu/BUILD.gn
+++ b/gpu/BUILD.gn
@@ -177,7 +177,7 @@
 
   if (is_android) {
     libs += [ "android" ]
-    apk_deps = [ "//ui/android:ui_java" ]
+    deps += [ "//ui/android:ui_java" ]
   }
 }