Update git submodules

* Update docs/submodules/aai/aai-common.git from branch 'master'
  to 287cca6ccd5a59f8c9c2e560489d30d0e3d8699e
  - Merge "AAI-1523 checkstyle warnings for aai-core logging"
  - AAI-1523 checkstyle warnings for aai-core logging

    Issue-ID: AAI-1523
    re-indent code with spaces to clean up some checkstyle warnings
    for aai-core test logging (part of 24k lines of output)

    Change-Id: I10e558911e8088cdf088f757a62fc4d3a79752c7
    Signed-off-by: Keong Lim <keong.lim@huawei.com>

diff --git a/docs/submodules/aai/aai-common.git b/docs/submodules/aai/aai-common.git
index f37d82b..287cca6 160000 (submodule)
--- a/docs/submodules/aai/aai-common.git
+++ b/docs/submodules/aai/aai-common.git
@@ -1 +1 @@
-Subproject commit f37d82bbc7eda20aa16e003a51deb6adc8a333b7
+Subproject commit 287cca6ccd5a59f8c9c2e560489d30d0e3d8699e