Update git submodules

* Update docs/submodules/parser from branch 'master'
  - Fix test for apex

    Currently the test in apex is error, the patch will fix it.

    JIRA: PARSER-160

    Change-Id: I0c290f7819468e1f400f1610fc87bceb72086b92
    Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>

diff --git a/docs/submodules/parser b/docs/submodules/parser
index 8eab0db..7992323 160000 (submodule)
--- a/docs/submodules/parser
+++ b/docs/submodules/parser
@@ -1 +1 @@
-Subproject commit 8eab0db0e6a05ea5535988f3020328d7ae0ecba2
+Subproject commit 79923230d9636c426493505868ba228ba5931896