Dual auto language switching with talkback neded around the world

[GoogleCodeExporter]

What steps will reproduce the problem?
1. creating an option in TB to select a tts for each language
if tts engines is availeble, the same way to choose multi languages in google's 
keyboard, ETC
like "uncheck" the system default tts another list of languages apeare
and we attach each tts engine with its language of choice.
the same or like in the
"accessible text editor" and the like.

What is the expected output? What do you see instead?
If the user installed more than one tts for more than one language<
like : google tts with (us english) and acapela tts with (arabic) language
making them work at the same time each reads in its own language
we international talkback users in genral using this service,
with multiple apps,
e.g "accessible text editor" app,
but we need it much more importantlly with "talkback"
since most of what we're viewing with our android phones mostly in both 
languages sometimes in one sentance,
like in web browsing, e-maling , ETC.

What version of the product are you using? On what operating system?
Needed with talkback in all android virsions on all devices

Original issue reported on code.google.com by [email protected] on 15 Feb 2015 at 4:16