Revert "Merge pull request #8741 from albertopq/issue-853379"

This reverts commit 7eecff10bace87bc886fa8a50ad3ee0b1efcfc55, reversing
changes made to 5b22c353580e6f6240fbfd7777c26c610c52a9c2.
Merge pull request #8747 from albertopq/backout-add-email-activity

Revert "Merge pull request #8741 from albertopq/issue-853379"
Bug 852541 - fixed reference-workload dialer history to determine appID correctly
Bug 826839 - Fix Add Contact Btn visibility after a call and simplify its updating procedure, r=etienne
Merge pull request #8688 from jedp/851492-test-close-iframe-master

Bug 851492 - Add unit test for id-dialog-close-iframe event
Merge pull request #8740 from mcirlanaru/bug_826839

Bug 826839 - Fix Add Contact Btn visibility after a call and simplify it...
Merge pull request #8749 from JonHylands/jhylands-852541-master

Bug 852541 - fixed reference-workload dialer history to determine appID correctly
Bug 852710 - [email] Defer protocol JS load and init r=asuth
Merge pull request #8751 from jrburke/bug852710-onlinedelay

Bug 852710 - [email] Defer protocol JS load and init r=asuth
Bug 852541 - Fixed to handle GAIA_DOMAIN set to something other than default
Bug 853659 - [email/activesync] Fix sending mail on Exchange 2007 and lower; r=asuth
Bug 845678 - Handled missed call in the call waiting case.
Merge pull request #8728 from crh0716/845678

Bug 845678 - Handled missed call in the call waiting case. r=etienne, a=leo+
Merge pull request #8755 from mozsquib/email-activesync-sendmail

Bug 853659 - [email/activesync] Fix sending mail on Exchange 2007 and lower
Bug 853602 - [email/activesync] GetItemEstimate fails for older versions of Exchange; r=asuth
Merge pull request #8756 from mozsquib/email-activesync-item-estimate

Bug 853602 - [email/activesync] GetItemEstimate fails for older versions of Exchange
[Bug 838000] - Dialer invocation from message r=borjasalguero
Merge pull request #8696 from ssaroha/sms-phone-838000

Dialer invocation from SMS bug 838000 r=borjasalguero
Bug 853379 - Update contact activity should allow adding email to existing contact
Merge pull request #8748 from albertopq/contacts-add-email-actvity

Bug 853379 - Update contact activity should allow adding email to existing contact r=arcturus