Update submodule matrix to latest Thu Nov 28 00:39:53 UTC 2019

- matrix in PX4/Firmware (1618e9d38fb8f0c76e6b5b7dfc25da565c22bbee): a172c3cdac
    - matrix current upstream: de85dcff97
    - Changes: a172c3cdac...de85dcff97

    de85dcf 2019-11-26 Matthias Grob - Vector: switch read only functions to const (#108)
This commit is contained in:
Daniel Agar
2019-11-28 00:37:17 -05:00
committed by GitHub
parent 0f2ba84f0a
commit 580308ff07