gitignore: Add libstagefrightICS/Makefile

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
Merge pull request #4571 from Matricom/gitignore

gitignore: Add libstagefrightICS/Makefile
[lang] update of internal addon language files
[lang] update of core language files
[lang] update of skin.confluence language files
[addons] sync with repo