Compile caliper target against core_current

This will make it easier to switch some of its dependents
over to using "core Java APIs". e.g. conscrypt-benchmarks.
The library doesn't actually need any Android packages
to build.

Bug: 113148576
Test: build
Change-Id: I70fe48e0484c14d1d39ac5590eea662058b4d02c
1 file changed