[ISSUE-19][CMake] Separate Compile definitions to a separate CMakeLists.txt

[svlad-90]

[ISSUE-19][CMake] Separate Compile definitions to a separate CMakeLists.txt

1. [X] Have you followed the guidelines in our Contributing document?
2. [X] Have you checked to ensure there aren't other open Pull Requests for the same update/change?
3. [-] Have you built the project, and performed manual testing of your functionality for all supported platforms - Linux and Android? Checked Linux-only. Android-specific code was not modified in any way.
4. [-] Is your change backward-compatible with the previous version of the framework?

Change description:

• Separated compile definitions into a separate CMake file
• Updated the changelog

---

Verification criteria:

• Project was successfully compiled for Linux. No functional changes were done. Thus, no check of functionality was performed.