JPEG Activity tracing in Perfetto (#108)

- Add JPEG activity track in perfetto trace
- Add JPEG decode tests to the examples
- Change existing videodecode test to include JPEG testing
- Rename videodecode test file to decode to include jpeg tests too
- Fix a bug in the test which checks for total activity of 0
- Disable rocDecode and rocJPEG samples from the github image files

examples/videodecode/CMakeLists.txt

@@ -170,9 +170,9 @@ else()
         "-- ERROR!: videodecode excluded! please install all the dependencies and try again!"
         )
     if(NOT FFMPEG_FOUND)
-        message(FATAL_ERROR "-- ERROR!: FFMPEG Not Found! - please install FFMPEG!")
+        message(WARNING "-- ERROR!: FFMPEG Not Found! - please install FFMPEG!")
     endif()
     if(NOT ROCDECODE_FOUND)
-        message(FATAL_ERROR "-- ERROR!: rocDecode Not Found! - please install rocDecode!")
+        message(WARNING "-- ERROR!: rocDecode Not Found! - please install rocDecode!")
     endif()
 endif()