Update git submodules

Update git submodules

* Update docs/submodules/aaa from branch 'master'
  to 7e7cd43a637a5b01510b0af9cac770b06d380d82
  - Derive all code sub-projects from aaa-parent

    We can then centralize configs for CS and findbugs etc.

    Change-Id: Iecca472fb7de14b34cf88b34765f7741d4e3c60b
    Signed-off-by: Tom Pantelis <tompantelis@gmail.com>
  - Fix checkstyle issues to enforce it

    Change-Id: I77b3e119c7cd972f1f2f141f5adfdeab6c518ead
    Signed-off-by: David Suarez <david.suarez.fuentes@gmail.com>
  - Remove static AuthenticationManager instance

    It's only used by UT's.

    Change-Id: I25271cd06d578942b7cf9cd35a38a338c5527f29
    Signed-off-by: Tom Pantelis <tompantelis@gmail.com>
  - Remove ServiceLocator

    Removed the static instance holders in favor of injection.

    Change-Id: Iea7beda16450f28af4119995da4768e931086592
    Signed-off-by: Tom Pantelis <tompantelis@gmail.com>