[AzL3Tdnf] Refactoring TDNF Package Manager separating Azure Linux specializations in it's own implementation (#331)

Refactoring TDNFPackageManager with Azure Linux specializations added to
AzL3TdnfPackageManager.

This is a follow up PR based on the comments in:
#318
1.
#318 (comment)
2.
#318 (comment)
3.
#318 (comment)

Tests Results:
- AzL3 StrictSDP: 

[2.core.log](https://github.com/user-attachments/files/22669914/2.core.log)

[2.status.txt](https://github.com/user-attachments/files/22669915/2.status.txt)
- Mariner Base Support: 

[2.core.log](https://github.com/user-attachments/files/22670158/2.core.log)

[2.status.txt](https://github.com/user-attachments/files/22670160/2.status.txt)
- AzL3 Base Support: 

[2.core.log](https://github.com/user-attachments/files/22669923/2.core.log)

[2.status.txt](https://github.com/user-attachments/files/22669924/2.status.txt)

Author: rane-rajasi

src/core/src/package_managers/AzL3TdnfPackageManager.py

@@ -349,9 +349,8 @@ def install_security_updates_azgps_coordinated(self):
 
     @abstractmethod
     def try_meet_azgps_coordinated_requirements(self):
-        # type: () -> bool
         """ Returns true if the package manager meets the requirements for azgps coordinated security updates """
-        return False
+        pass
     # endregion
 
     # region Package Information

src/core/src/package_managers/PackageManager.py

@@ -130,6 +130,16 @@ def generate_compiled_script(source_code_path, merged_file_full_path, merged_fil
                     continue
                 elif os.path.basename(file_path) in ('PackageManager.py', 'Constants.py', 'LifecycleManager.py', 'SystemctlManager.py'):
                     modules_to_be_merged.insert(0, file_path)
+                elif os.path.basename(file_path) == 'TdnfPackageManager.py':
+                    # Insert before `AzL3PackageManager.py`; fallback to append.
+                    inserted = False
+                    for i, p in enumerate(modules_to_be_merged):
+                        if os.path.basename(p) == 'AzL3TdnfPackageManager.py':
+                            modules_to_be_merged.insert(i, file_path)
+                            inserted = True
+                            break
+                    if not inserted:
+                        modules_to_be_merged.append(file_path)
                 else:
                     if len(modules_to_be_merged) > 0 and '__main__.py' in modules_to_be_merged[-1]:
                         modules_to_be_merged.insert(-1, file_path)