MSDKANDRD-1864 Stage Gateway Url and parameter changes for BB6 environment
Changes:
- Updated code to access stage(BB6) environment in StageEU product flavor locally and in pipeline.
- Added new pipeline/code parameters TEST_EU_STAGE_GATEWAY_URL, TEST_EU_STAGE_GATEWAY_AUTH_TOKEN, TEST_EU_STAGE_TERM_URL
- Modified configurations in pipeline to access BB6 env.
https://securetrading.atlassian.net/browse/MSDKANDRD-1865
Edited by Ryan Neal