tree bf534ee78a689e3eaea1a3eb244d5b4d7b5188e5
parent c85f23e19ae27309098580fb43eb2a7e2823b699
author Patrick Williams <patrick@stwcx.xyz> 1487906067 -0600
committer Patrick Williams <patrick@stwcx.xyz> 1488282005 +0000

import-layers: add howto for updating subtrees

Change-Id: I11a15a796da5095a4c1cc086b07f37ca408318ed
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>