1. Changed test macro to emit line numbers
2. Added getcacheconfig api test for nvcc path
3. Fixed hipFuncCache_t data type
TODO: With this commit, right now there are 2 func cache datatypes
a. hipFuncCache_t for runtime API
b. hipFuncCache for driver API
Map these to a single data type
Change-Id: Ia47c9f5d7c2633638051bf17b1103048a1ede973