Install samples (#252)

- install samples into <prefix>/share/rocprofiler
- update samples for testing

samples/api_buffered_tracing/CMakeLists.txt

@@ -56,6 +56,6 @@ set_tests_properties(
         LABELS
         "samples"
         ENVIRONMENT
-        "${ROCPROFILER_MEMCHECK_PRELOAD_ENV};HSA_TOOLS_LIB=$<TARGET_FILE:rocprofiler::rocprofiler>"
+        "${ROCPROFILER_MEMCHECK_PRELOAD_ENV};HSA_TOOLS_LIB=$<TARGET_FILE:rocprofiler::rocprofiler-shared-library>"
         FAIL_REGULAR_EXPRESSION
         "threw an exception")