Remove bogus @test comments that confuse vogar.

They should be @tests, but they're useless anyway. (If there weren't
so many, I'd remove all the @tests comments too.)

Change-Id: I6d34a77c48d7d0bac075758453fd0d29f6f9901c

Conflicts:
	harmony-tests/src/test/java/org/apache/harmony/nio/tests/java/nio/channels/SelectorTest.java