tree 0bde21494f7bca3e7f1fd92cf1cdc3e24247af11
parent b0c13b2a622bd9202da0245add1907379068023b
author Wan-Teh Chang <wtc@google.com> 1532473539 -0700
committer Wan-Teh Chang <wtc@google.com> 1532552214 +0000

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