Update git submodules

Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to 1737c4b1ff35445a299bc3f6c599af0de701cd0f
  - Merge "Remove the declaration of thrown exception 'java.io.IOException', as it cannot be thrown from constructor's body"
  - Remove the declaration of thrown exception 'java.io.IOException', as it cannot be thrown from constructor's body

    Remove the declaration of thrown exception 'java.io.IOException'

    Issue-ID: AAF-876
    Change-Id: Ie02948cb17bfc7d2e906adc00ae6bd94dcb5e5f3
    Signed-off-by: Thugutla sailakshmi <tsaila10@in.ibm.com>