Revert of 👔 Reland of Move side-loaded test data /sdcard -> /sdcard/gtestdata

base/base_paths_android.cc

Index: base/base_paths_android.cc
diff --git a/base/base_paths_android.cc b/base/base_paths_android.cc
index 8a400e5bd14ae9e29c9350bafe0c10fc163604f0..ca58179b6782fdc4d9ec283df14b4d97b5e688dc 100644
--- a/base/base_paths_android.cc
+++ b/base/base_paths_android.cc
@@ -38,10 +38,8 @@
     case base::DIR_MODULE:
       return base::android::GetNativeLibraryDirectory(result);
     case base::DIR_SOURCE_ROOT:
-      // Used only by tests.
-      // In that context, hooked up via base/test/test_support_android.cc.
-      NOTIMPLEMENTED();
-      return false;
+      // This const is only used for tests.
+      return base::android::GetExternalStorageDirectory(result);
     case base::DIR_USER_DESKTOP:
       // Android doesn't support GetUserDesktop.
       NOTIMPLEMENTED();