Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Merge "Patch to make flavor configuration for tests more flexible."
  - Patch to make flavor configuration for tests more flexible.

    Also fixed potential issues with downloading images from https locations

    JIRA: SNAPS-254

    Change-Id: Ib81569df499bbf0652c2025fc7de37af92525f7f
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index 816a90c..43841ad 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit 816a90ca79a0f16bd5176b00c33391f522e517c1
+Subproject commit 43841adbdf40caf8d63574a7acc3e74eed98cd50