Process launcher updates (#6183)

* Enable process and ap connection tests on linux
* Updated 'OpenProjectManager' to use new the ProcessLauncher argument type
* Add logic to double-escape escaped double quotes in arguments on windows platforms
* Updated argument for LaunchProjectManager to reflect new ProcessLauncher argument type
* Fixed unit test arguments for 'arg=value' condition
* Fix compile errors for BuilderManager and RHI.Edit\Utils.cpp
* PAL'ify the GetCommandLineParametersAsString() to handle windows specific behavior

Signed-off-by: Steve Pham <82231385+spham-amzn@users.noreply.github.com>

Co-authored-by: byrcolin <byrcolin@amazon.com>

Code/Editor/CryEdit.cpp

@@ -2810,14 +2810,11 @@ void CCryEditApp::OpenProjectManager(const AZStd::string& screen)
 {
     // provide the current project path for in case we want to update the project
     AZ::IO::FixedMaxPathString projectPath = AZ::Utils::GetProjectPath();
-#if !AZ_TRAIT_OS_PLATFORM_APPLE && !AZ_TRAIT_OS_USE_WINDOWS_FILE_PATHS
-    const char* argumentQuoteString = R"(")";
-#else
-    const char* argumentQuoteString = R"(\")";
-#endif
-    const AZStd::string commandLineOptions = AZStd::string::format(R"( --screen %s --project-path %s%s%s)",
-        screen.c_str(),
-        argumentQuoteString, projectPath.c_str(), argumentQuoteString);
+
+    const AZStd::vector<AZStd::string> commandLineOptions {
+        "--screen", screen,
+        "--project-path", AZStd::string::format(R"("%s")", projectPath.c_str()) };
+
     bool launchSuccess = AzFramework::ProjectManager::LaunchProjectManager(commandLineOptions);
     if (!launchSuccess)
     {