ddd1ea09cc
- Verify that memory stays mapped when reference count is non zero
- Verify that memory stays mapped if handle is closed in a second process
- Verify that attempting to close handle in the process that created it causes an error
- Correct header includes.
- Add additional pointer check to reference counting test.
- Disable Unit_hipIpcCloseMemHandle_Negative_Close_In_Originating_Process test for AMD.
[ROCm/hip commit: dc5d658843]