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-398: Using the new Android's audio manager settings handler

* Adding com.android.audioManager into the deviceReporter
* Adding a solution registry entry for the new solution
* Adding an N&P set (audio) for testing purposes
GPII-224: Renamed all entries of the gnome onscreen keyboard to have the correct name according to the JIRA description
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
GPII-398: Updating N&P example set according to the latest changes
GPII-398: Updating audioManager's namespace according to latest changes
GPII-224: Merging after Javi's review and OK
Updating namespace for android's androidSettings module
Merge remote-tracking branch 'javihernandez/GPII-277'

Conflicts:
	testData/deviceReporter/installedSolutions.json
Merge remote-tracking branch 'javihernandez/GPII-398'

Conflicts:
	testData/deviceReporter/android_installedSolutions.json
	testData/deviceReporter/installedSolutions.json
	testData/solutions/android.json