Fix google3 sync error

@SuppressWarnings("RestrictTo") was added to google3 but not gerrit,
making it so we had to manually readd it every time we synced
with google3. Add it to gerrit so that the two versions are
in sync again.

Test: Manually
Change-Id: I01bd91a3a639fcbc4c90e19b6880ea5e3c11ac69
1 file changed