tree 5b6fdd4da3122364150d5463a12df54a34dac8f6
parent aee6c7fb68753ecd65767a79f3b7561d44951811
author Jakub Pawlowski <jpawlowski@google.com> 1498030001 -0700
committer Jakub Pawlowski <jpawlowski@google.com> 1498064244 -0700

Use references in GATT client/server API (3/3)

This allows to get rid of some unnecessary null checks, and guarantee
proper values are passed.

Test: compilation test
Change-Id: I1d6ab95ef52067fa1461c432b9c162da0a25c6ac