GPII-277: Using the new Android's native settings Settings Handler

[changes]
  * Adding the new Settings Handler to be used into Talkback's solution
entry
  * Improving paulina N&P set to to change the speech rate of the active
TTS engine
Merge remote-tracking branch 'upstream/master' into GPII-277
GPII-277: Updating solution registry

* Use another solution to deal with some settings from Talkback
* Updating paulina N&P set
* Adding the new solution entry to the deviceReporter data
Updating namespace for android's androidSettings module
Merge remote-tracking branch 'javihernandez/GPII-277'

Conflicts:
	testData/deviceReporter/installedSolutions.json