Find7s: permissions for skyline notification bar

Original patch:
https://github.com/CyanogenMod/android_device_oppo_find7/commit/1696ba5e55173e787b9631016e8f0fedb37bbc6f

Change-Id: I957833ee639f5956bd5d9b5800dfcf7cc7ff5078
Merge "Find7s: permissions for skyline notification bar" into kk4.4