[depends] bump gnutls to last stable version 3.3.10
CHG: [droid] refactor wake lock; follow our screensaver

rebased by wsnipex
Conflicts:
	xbmc/android/activity/XBMCApp.cpp
FIX: [droid] fix launching leanback only apps
[depends] fix nettle dylib target
[depends] fix gmp Makefile