Update git submodules

* Update docs/submodules/oom.git from branch 'master'
  to 990aef1a9302a290d1e156cacd00cc408f650f8a
  - Merge "release 1.5.2 in OOM"
  - release 1.5.2 in OOM
    
    1.5.2 release is for Dublin
    
    Change-Id: Ib967d3938c74dd286c543eb8a51bb61ff9b34583
    Issue-ID: APPC-1595
    Signed-off-by: Taka Cho <takamune.cho@att.com>
    
diff --git a/docs/submodules/oom.git b/docs/submodules/oom.git
index cd8bcdc..990aef1 160000
--- a/docs/submodules/oom.git
+++ b/docs/submodules/oom.git
@@ -1 +1 @@
-Subproject commit cd8bcdcd277afcbd5cb2120cdf6436b6fe492db6
+Subproject commit 990aef1a9302a290d1e156cacd00cc408f650f8a