Promotion of android_ui.lnx.2.1-00020.

CRs      Change ID                                   Subject
--------------------------------------------------------------------------------------------------------------
1056105   I71eb67a102a57708388cbf0ceffb7f9a43fc86f3   Add account
1069322   Iea74470d0524ea80e570f5e22deb948e4595947d   Update the overlay of email signature
1065992   Ia21418545bbaeb96fb5ab6c3f4e71858e57b8684   Limit account id and id to longs

Change-Id: I052b2e5b4db647b47b9f884568f6995513acde9e
CRs-Fixed: 1069322, 1065992, 1056105