fix: resolve out-of-memory in tests on rx9070

[Naraenda]

Work by @NB4444. This PR adds extra checks that skips tests that would allocate too much memory.

Closes #720

[Saiyang-Zhang]

The fix was based on the new device_ptr util, which gives a clean interface for managing and testifying memories, so the related headers were included along. The feature was not planned in 6.4, but we eventually will include it since it's already included in newer versions, so we added it here.

[stanleytsang-amd]

@Naraenda there are build errors in this PR. I think you forgot to include the utils_device_ptr.hpp header in the unit test cpp files?

/longer_pathname_so_that_rpms_can_support_packaging_the_debug_info_for_all_os_profiles/src/rocPRIM/test/rocprim/test_device_merge.cpp:173:13: error: use of undeclared identifier 'common'
173 | common::device_ptr<key_type> d_keys_input1;
| ^
/longer_pathname_so_that_rpms_can_support_packaging_the_debug_info_for_all_os_profiles/src/rocPRIM/test/rocprim/test_device_merge.cpp:173:32: error: unexpected type name 'key_type': expected expression
173 | common::device_ptr<key_type> d_keys_input1;
| ^
/longer_pathname_so_that_rpms_can_support_packaging_the_debug_info_for_all_os_profiles/src/rocPRIM/test/rocprim/test_device_merge.cpp:173:42: error: use of undeclared identifier 'd_keys_input1'; did you mean 'keys_input1'?
173 | common::device_ptr<key_type> d_keys_input1;

[Naraenda]

[...] there are build errors in this PR.

@Saiyang-Zhang is currently taking this over and investigating.

[Saiyang-Zhang]

device_ptr objects were not correctly used, now the occurrences are fixed and should be ready to be reviewed

[rocm-ci]

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