commit f22109fb2cfd159870c74ee8e70ad53dad7689e9
Author: gecong1973 <ge.cong@zte.com.cn>
Date:   Fri Oct 9 18:32:41 2020 -0700

    Update git submodules
    
    * Update freezer from branch 'master'
      - add remove_cinderbackup_older_than unit test for AdminOs
    
        Change-Id: I771c9015b92750283e165b531df9030c277b6f5b

diff --git a/freezer b/freezer
index d0efaf9..749d94a 160000
--- a/freezer
+++ b/freezer
@@ -1 +1 @@
-Subproject commit d0efaf9b8d5d114d783173027468bd181c88820e
+Subproject commit 749d94a6f0ed7809129c4d12149988f88c94311b