Bug 923139 - added aria labels and updated l10n where necessary.
Bug 923139 - added better support for disabled controls and disabling logic.
Bug 923139 - added button roles where necessary.
Bug 923139 - updated call log to be selectable with the screen reader when not in edit mode and editable when in edit mode.
Bug 923139 - fixed screen reader visibility of the suggestion overlay dialog.
Merge pull request #15746 from yzen/923139

Bug 923139 - making dialer app screen reader accessible.