Update git submodules

diff --git a/platform/external/libmojo b/platform/external/libmojo
index 991e618..8976bca 160000
--- a/platform/external/libmojo
+++ b/platform/external/libmojo
@@ -1 +1 @@
-Subproject commit 991e618ea063cc28060d6baa0c0d6ffa3ad29452
+Subproject commit 8976bcaf0bd66c633c2749f7854f0bbcc349ba0a
diff --git a/platform/superproject b/platform/superproject
index c05ec78..fa27ca9 160000
--- a/platform/superproject
+++ b/platform/superproject
@@ -1 +1 @@
-Subproject commit c05ec78520c4e0b8b9344cacc7e26b434b75cbbf
+Subproject commit fa27ca9d5897cdc2fe9a88d84c38e678ef821d0f