9d92c90b55
1. Negative Test Cases 2. API functionality test using multiple streams. 3. API functionality validation using multiple GPUs. 4. Setting hipTexRefSetFlags() with HIP_TRSF_READ_AS_INTEGER flag instead of 0 as suggested in SWDEV-256096. 5. Enabling test cases 0x03 (short) and 0x04 (char). 6. Implemented external code review comments. SWDEV-238517 for enhancing hip unit tests Change-Id: If42796047ec1cf2e3695dc2b7f40a2d9dd50f5bd