Revert "galaxys2-common: Update RIL header to v9 [2/2]"

This reverts commit 2fb103942922be3e739b9ce326d83bc33e1c56b4.

Change-Id: I44d1b77b1f5bc9aa50046a93e33f4a147b45f620
Merge branch 'kk4.4' of https://github.com/SlimRoms/device_samsung_galaxys2-common into kk4.4