Remove import of libcore NonNull annotation

Remove import of libcore NonNull annotation and replace
with the standard platform one.

Bug: 113148576
Test: build
Change-Id: Ic427eb583cd4f9a83d9cf68ff22f8625a5bbdb55
1 file changed
tree: c1d915f28ee43a8d7f759c6715a82891e7531ab4
  1. service/
  2. PREUPLOAD.cfg