Document how to make a new test data file public.
If the "Public access" of a newly added test data file is "Not public",
"make testdata" will download a zero-length file and the SHA-1 checksum
check for the file will fail.
Change-Id: Ie399cfc758a65cffdb01a62eaa4a00b46d992b78
diff --git a/README.md b/README.md
index f5446f9..cf8f60f 100644
--- a/README.md
+++ b/README.md
@@ -414,6 +414,14 @@
`aomedia-testing` project on Google Cloud Platform. You may need to ask someone
with the necessary access permissions to do this for you.
+NOTE: When a new test data file is added to the `aom-test-data` bucket, its
+"Public access" is initially "Not public". We need to change its
+"Public access" to "Public" by doing the following:
+ * Invoke the "Edit permissions" dialog for the file.
+ * Click the "+ Add item" button in the dialog.
+ * Set "ENTITY" to "User", set "NAME" to "allUsers", and set "ACCESS" to
+ "Reader". Then click the "SAVE" button.
+
Once the new test data file has been added to `aom-test-data`, create a CL to
add the name of the new test data file to `test/test_data_util.cmake` and add
the SHA1 checksum of the new test data file to `test/test-data.sha1`. (The SHA1
