MLECO-6698: Handling fatal and non-fatal LLM errors
- Added jni error handling logs
- Corrections in Log-level deduction logic from cmake build type.
- Added error handling for context overflow.
Change-Id: I3230812c4c59e50405a8dd9875aa0eb327b3f7cb Signed-off-by: govind narasimman govind.narasimman@arm.com