build: JustArchi's ArchiDroid Optimizations V3

Change-Id: Ice91cc40e89c56cd604d34b84c5d914f3b4a65c9
build: Allow flashing older build over newer one
vendor: Fix current path value

Change-Id: I8b2a3f2610405be8b17f6e38a90085165defd711
torch: Use sysfs toggle