Add required deps to third_party/android_support_test_runner

third_party/espresso/BUILD.gn

Index: third_party/espresso/BUILD.gn
diff --git a/third_party/espresso/BUILD.gn b/third_party/espresso/BUILD.gn
index 28b0b72813b27eb466af032c96494b8adfa62a63..8bc04c2762cddd1fdb026f165f1bd7e00d053453 100644
--- a/third_party/espresso/BUILD.gn
+++ b/third_party/espresso/BUILD.gn
@@ -5,6 +5,7 @@
 import("//build/config/android/rules.gni")
 
 android_java_prebuilt("espresso_contrib_java") {
+  testonly = true
   jar_path = "lib/espresso-contrib-2.2-release-no-dep.jar"
   deps = [
     ":espresso_core_java",
@@ -14,6 +15,7 @@ android_java_prebuilt("espresso_contrib_java") {
 }
 
 android_java_prebuilt("espresso_core_java") {
+  testonly = true
   jar_path = "lib/espresso-core-2.2-release-no-dep.jar"
   deps = [
     "//third_party/android_tools:android_support_annotations_java",
@@ -24,10 +26,12 @@ android_java_prebuilt("espresso_core_java") {
 }
 
 android_java_prebuilt("espresso_idling_java") {
+  testonly = true
   jar_path = "lib/espresso-idling-resource-2.2-release-no-dep.jar"
 }
 
 android_java_prebuilt("espresso_intents_java") {
+  testonly = true
   jar_path = "lib/espresso-intents-2.2-release-no-dep.jar"
   deps = [
     "//third_party/android_support_test_runner:runner_java",
@@ -37,6 +41,7 @@ android_java_prebuilt("espresso_intents_java") {
 }
 
 android_java_prebuilt("espresso_web_java") {
+  testonly = true
   jar_path = "lib/espresso-web-2.2-release-no-dep.jar"
   deps = [
     ":espresso_core_java",