Sifting through Gael García Bernal’s recent roles — from the namesake conquistador of Lav Diaz’s “Magellan,” the grieving wife-guy in Piero Messina’s droopy sci-fi “Another End,” and the fast-aging family man of M. Night Shyamalan’s “Old” — won’t give you much insight on “Hombre al Agua,” which translates as “man overboard.” Except that unlike those international […]