Creating new gn arg: enable_all_proguard_optimizations.

android_webview/tools/automated_ui_tests/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/rules.gni")
 import("//testing/test.gni")
 
 group("webview_ui_test_app") {
   testonly = true
   deps = [
     ":webview_ui_test_app_apk",
-    ":webview_ui_test_app_test_apk",
   ]
+  if (!enable_all_proguard_optimizations) {
+    deps += [ ":webview_ui_test_app_test_apk" ]
+  }
 }
 
 android_apk("webview_ui_test_app_apk") {
   apk_name = "WebViewUiTestApp"
   android_manifest = "java/AndroidManifest.xml"
   deps = [
     ":webview_ui_test_app_apk_resources",
     ":webview_ui_test_app_java",
   ]
 }
 
 android_library("webview_ui_test_app_java") {
   java_files =
       [ "java/src/org/chromium/webview_ui_test/WebViewUiTestActivity.java" ]
   deps = [
     ":webview_ui_test_app_apk_resources",
     "//base:base_java",
   ]
 }
 
 android_resources("webview_ui_test_app_apk_resources") {
   resource_dirs = [ "java/res" ]
   custom_package = "org.chromium.webview_ui_test"
 }
 
-instrumentation_test_apk("webview_ui_test_app_test_apk") {
-  apk_name = "WebViewUiTestAppTest"
-  android_manifest = "javatests/AndroidManifest.xml"
-  java_files = [
-    "javatests/src/org/chromium/webview_ui_test/test/LoadDataTest.java",
-    "javatests/src/org/chromium/webview_ui_test/test/WebViewTestBase.java",
-  ]
-  deps = [
-    ":webview_ui_test_app_apk_resources",
-    ":webview_ui_test_app_java",
-    "//third_party/ub-uiautomator:ub_uiautomator_java",
-  ]
-  data_deps = [
-    ":webview_ui_test_app_apk",
-  ]
-  apk_under_test = ":webview_ui_test_app_apk"
+if (!enable_all_proguard_optimizations) {
+  instrumentation_test_apk("webview_ui_test_app_test_apk") {
+    apk_name = "WebViewUiTestAppTest"
+    android_manifest = "javatests/AndroidManifest.xml"
+    java_files = [
+      "javatests/src/org/chromium/webview_ui_test/test/LoadDataTest.java",
+      "javatests/src/org/chromium/webview_ui_test/test/WebViewTestBase.java",
+    ]
+    deps = [
+      ":webview_ui_test_app_apk_resources",
+      ":webview_ui_test_app_java",
+      "//third_party/ub-uiautomator:ub_uiautomator_java",
+    ]
+    data_deps = [
+      ":webview_ui_test_app_apk",
+    ]
+    apk_under_test = ":webview_ui_test_app_apk"
+  }
 }