Bug 927724 - [DSDS][Gaia] Voicemail webapi will be changed for DSDS

- add feature detect for Voicemail webAPI
Bug 932226 - [Settings] Lazy load keyboard scripts
Bug 930932 - Write a test to use the Keyboard's predictive text
Bug 905501 - [FlatFish] Provide README for tablet customization
Revert "Merge pull request #13161 from luke-chang/919370_unit_test_for_pinyin"

This reverts commit 9ab17bf1759b8abd5e1de7e71c98f617a87a7a25, reversing
changes made to 1dd8c7d1209cdf23bd8bdfd1878fcdcdc58fb2bc.
Merge pull request #13220 from lightsofapollo/revert-9ab17bf1759b8abd5e1de7e71c98f617a87a7a25

Revert "Merge pull request #13161 from     luke-chang/919370_unit_test_for_pinyin"
Merge pull request #12961 from gasolin/issue-905501

Bug 905501 - [FlatFish] Write guideline for multiple resolution device s..., r=timdream
Merge pull request #13082 from EragonJ/bug-927724

Bug 927724 - [DSDS][Gaia] Voicemail webapi will be changed for DSDS
Merge pull request #13170 from KevinGrandon/bug_932226_settings_keyboard_scripts

Bug 932226 - [Settings] Lazy load keyboard scripts r=arthurcc
Merge pull request #13147 from viorelaioia/bug_930932

Bug 930932 - Write a test to use the Keyboard's predictive text
Bug 931977 - [Keyboard] Ensure first keyboard shown is properly initialized - r=rudyl

- use the `setKeyboardName` during first keyboard load
- Renabled TBPL test

Closes gh-13192
Bug 929437 - [e.me][bug] Unrelated installed apps appear in Collections [r=ranbena]