62e25cc961
1. Refactored code to use HCC internal APIs rather than HCC copy APIs
2. Added hipMemcpyToSymbolAsync
3. Added test for hipMemcpyToSymbolAsync
4. Added new error hipErrorInvalidSymbol
Change-Id: I0e359b2d0ff5d682bbccdf9c2923e16b35e39497
[ROCm/hip commit: 3c4af7c371]