Revert of Unify application context usage.

testing/android/native_test/native_test_launcher.cc

Index: testing/android/native_test/native_test_launcher.cc
diff --git a/testing/android/native_test/native_test_launcher.cc b/testing/android/native_test/native_test_launcher.cc
index 0f880a741a66933441dccc7ff548ce7bbccf66e3..eb652d99aada72cabf9d08db10ceda4d34548f0d 100644
--- a/testing/android/native_test/native_test_launcher.cc
+++ b/testing/android/native_test/native_test_launcher.cc
@@ -75,6 +75,10 @@
   static const char* const kInitialArgv[] = { "ChromeTestActivity" };
   base::CommandLine::Init(arraysize(kInitialArgv), kInitialArgv);
 
+  // Set the application context in base.
+  base::android::RegisterJni(env);
+  base::android::InitApplicationContext(env, app_context);
+
   std::vector<std::string> args;
 
   const std::string command_line_file_path(
@@ -129,9 +133,6 @@
 }
 
 bool RegisterNativeTestJNI(JNIEnv* env) {
-  if (!base::android::RegisterJni(env)) {
-    return false;
-  }
   return RegisterNativesImpl(env);
 }