Fix example AGSL code in the javadoc comments

Need to land this fix in tm-dev for it to show up in the published reference docs.

Bug: 237562620
Test: [go/atsd docs build]
Change-Id: I5f562b70d04bc86779190002a2640fb51dc00531
(cherry picked from commit 0547bffe400ecc877e22701d6bd7f6af33c29b4d)
1 file changed