Updated git submodules

Project: policy/engine master 42f82aadb12d017378ac9fa5cb11722191a548f0

Merge changes from topic '13891'

* changes:
  String literal comparision on left side
  Used isEmpty to check collection is empty or not

String literal comparision on left side

Issue-ID: POLICY-239
Change-Id: Iee03160b28ffadb296f3926c7d7c5ac98fac535e
Signed-off-by: rama-huawei <rama.subba.reddy.s@huawei.com>
Used isEmpty to check collection is empty or not

Issue-ID: POLICY-239
Change-Id: I5c6a43ac0f66e02b4f2f6644f0936a846708e2a5
Signed-off-by: rama-huawei <rama.subba.reddy.s@huawei.com>

diff --git a/docs/submodules/policy/engine.git b/docs/submodules/policy/engine.git
index a3ce785..42f82aa 160000 (submodule)
--- a/docs/submodules/policy/engine.git
+++ b/docs/submodules/policy/engine.git
@@ -1 +1 @@
-Subproject commit a3ce785c96bdb32f7657286b9ef00542597a6e04
+Subproject commit 42f82aadb12d017378ac9fa5cb11722191a548f0