Changed kill() to protected. Changed references from kill() to stop().

Signed-off-by: scspaldi <scspaldi@amazon.com>

Tools/LyTestTools/ly_test_tools/launchers/platforms/android/launcher.py

@@ -280,7 +280,7 @@ class AndroidLauncher(Launcher):
             return True
         return False
 
-    def kill(self):
+    def _kill(self):
         """
         Attempts to force quit any running processes with the stored package name on the device
         that is set to self._device_id via the self._adb_prefix_command

Tools/LyTestTools/ly_test_tools/launchers/platforms/base.py

@@ -208,7 +208,7 @@ class Launcher(object):
 
         :return None:
         """
-        self.kill()
+        self._kill()
         self.ensure_stopped()
         self.teardown()
 
@@ -228,7 +228,7 @@ class Launcher(object):
         """
         raise NotImplementedError("Launch is not implemented")
 
-    def kill(self):
+    def _kill(self):
         """
         Force stop the launcher.
 
@@ -274,7 +274,7 @@ class Launcher(object):
                 timeout=timeout
             )
         except ly_test_tools.launchers.exceptions.TeardownError:
-            self.kill()
+            self._kill()
 
     def get_device_config(self, config_file, device_section, device_key):
         """

Tools/LyTestTools/ly_test_tools/launchers/platforms/linux/launcher.py

@@ -89,7 +89,7 @@ class LinuxLauncher(Launcher):
         self.restore_settings()
         super(LinuxLauncher, self).teardown()
 
-    def kill(self):
+    def _kill(self):
         """
         This is a hard kill, and then wait to make sure until it actually ended.
 

Tools/LyTestTools/ly_test_tools/launchers/platforms/mac/launcher.py

@@ -44,7 +44,7 @@ class MacLauncher(Launcher):
         self._proc = subprocess.Popen(command)
         log.debug(f"Started Mac Launcher with command: {command}")
 
-    def kill(self):
+    def _kill(self):
         """
         This is a hard kill, and then wait to make sure until it actually ended.
 

Tools/LyTestTools/ly_test_tools/launchers/platforms/win/launcher.py

@@ -89,7 +89,7 @@ class WinLauncher(Launcher):
         self.restore_settings()
         super(WinLauncher, self).teardown()
 
-    def kill(self):
+    def _kill(self):
         """
         This is a hard kill, and then wait to make sure until it actually ended.
 

Tools/LyTestTools/ly_test_tools/o3de/editor_test.py

@@ -789,7 +789,7 @@ class EditorTestSuite():
                     test_result = Result.Fail.create(test_spec, output, editor_log_content)
         except WaitTimeoutError:
             output = editor.get_output()
-            editor.kill()
+            editor.stop()
             editor_log_content = editor_utils.retrieve_editor_log_content(run_id, log_name, workspace)
             test_result = Result.Timeout.create(test_spec, output, test_spec.timeout, editor_log_content)
     
@@ -891,7 +891,7 @@ class EditorTestSuite():
                         results[test_spec_name] = Result.Crash.create(crashed_result.test_spec, output, return_code,
                                                                       crash_error, crashed_result.editor_log)
         except WaitTimeoutError:            
-            editor.kill()
+            editor.stop()
             output = editor.get_output()
             editor_log_content = editor_utils.retrieve_editor_log_content(run_id, log_name, workspace)