AriesParts: Properly load the status of FastCharge on app start

Before this change, when the app was started the status of FastCharge
was always not active.
The current status of FastCharge is now properly managed by the function
"isActive" inside FastCharge class.
It has been also performed a bit of cleanup of some files.
Enable use of FFMPEG codecs for extended formats
Update egl.cfg for new adreno libs
Revert "Define BOARD_EGL_WORKAROUND_BUG_10194508"

 * Not needed with kk adreno libs

This reverts commit 0108c7a2efa5a234a2fa2d82df60c7327c0a2253.
Workaround for blanking splash screen during boot

 * Don't need workaround in display-caf anymore