Updated git submodules

Updated git submodules

Project: appc master 754844549a9c4dc30a5661d6de96b515439dcf3d

fixed failing test cases in TimeTest.java

fixed the issue APPC-1112, where few test cases where failing because of
platform dependency. Removed assertEquals and replaced it with
assertNotNull and assertTrue, so that coverage is not affected and the
test case also passes succesfully. Cant use asserEquals here as the
value timestamp is platform dependent.

Issue-ID: APPC-1112
Change-Id: I4b9f786eaa61835765ffdadd0beb9092bc9beb17
Signed-off-by: Sandeep J <sandeejh@in.ibm.com>