Update git submodules

* Update platform/system/sepolicy from branch 'master'
  to 70ae5f4c34fdd43abcc82b9661d70411560e9736
  - sepolicy: Create new attribute to serve ISuspendControlServiceInternal
    
    Bug: 178417023
    Test: Verified manually
    Change-Id: Ie058ecf6b31c260e7788cbf0e74fa4182129d3e1
    Signed-off-by: Darren Hsu <darrenhsu@google.com>
    
diff --git a/platform/system/sepolicy b/platform/system/sepolicy
index a18cf7e..70ae5f4 160000
--- a/platform/system/sepolicy
+++ b/platform/system/sepolicy
@@ -1 +1 @@
-Subproject commit a18cf7ed0c9e945bb8091d0d1fea28c1687765b3
+Subproject commit 70ae5f4c34fdd43abcc82b9661d70411560e9736