Use of .yaml extension instead of .yml for consistency.

Change-Id: I0f8ff8c6a7b47f13494199378d1bad85a487e019
Issue-ID: CCSDK-1144
Signed-off-by: prathamesh morde <prathamesh.morde@bell.ca>

diff --git a/ms/sdclistener/application/src/main/resources/application.yml b/ms/sdclistener/application/src/main/resources/application.yaml
similarity index 100%
rename from ms/sdclistener/application/src/main/resources/application.yml
rename to ms/sdclistener/application/src/main/resources/application.yaml