* Added negative tests for hipMallocArray * fix numeric limit test for nvidia * Added a test for texture gather with hipMallocArray
* Added negative tests for hipMallocArray * fix numeric limit test for nvidia
Adding new testcases for hipMalloc3D,hipMalloc3DArray, hipArrayCreate,hipMallocPitch and hipMallocArray APIs Change-Id: Ia2cc8865d605272995aaf703dd26954d11ded2ea