Bug 956659 - Only include IMEs for selected layouts in the build
Bug 935148 - Double touch on the slide would make Lockscreen can't unlock
Bug 947443 - [music] Only init the communication when music is not in picker mode
Bug 942651 - Not to do "upperCase" conversion for Arabic keyboard layout.
Merge pull request #15035 from timdream/keyboard-remove-ime

Bug 956659 - Only include IMEs for selected layouts in the build, r=yurenju, djf
Merge pull request #15103 from RudyLu/keyboard/Bug942651-arabic_no_uppercase

Bug 942651 - Not to do "upperCase" conversion for Arabic keyboard layout...
r=rudylu
Merge pull request #14597 from dominickuo/bug-947443

Bug 947443 - [music] Only init the communication when music is not in picker mode, r=jimporter
Merge pull request #15100 from snowmantw/issue935148

Bug 935148 - Double touch on the slide would make Lockscreen can't unlock