Unbreak building host modules

bionic is now a dependency for properties

Change-Id: Icd406e639ca297244ab809f523c6830c2240d20b

Conflicts:
	libdex/Android.mk
	libdex/OptInvocation.cpp
	vm/alloc/Heap.cpp
libdex: Skip the dexroot-on-cache stuff for user builds

Change-Id: I432b96ae3e25977ea17558b4a3f8ca90903cb5b5