base

Log the error when uncrypt timeouts

Log the error code to uncrypt_status if uncrypt gets killed because
of timeout.

Test: We log the error code correctly in uncrypt_status when uncrypt timeouts.
Bug: 31603820
Change-Id: Ia623c333714295e68f4269257fbb4297a867e42b
(cherry picked from commit 036d08638e6a5f849847a32d794ad34d7dec1368)