GP-6380: tests may fail w/ 21, but for now keep them working

GP-6380: minor mod
GP-6380: oops
GP-6380: fixes + exit code 0 for timeouts
GP-6380: lldb-21 changes

Ghidra/Debug/Debugger-agent-lldb/data/support/lldbsetuputils.ps1

@@ -86,7 +86,9 @@ function Add-Lldb-Extra-Cmds {
 
 function Add-Lldb-Tail-Args {
 	param([ref]$ArgList)
-	# NOP
+
+	$ArgList.Value+=("-o", "`"ghidra trace sync-enable`"")
+	$ArgList.Value+=("-o", "`"ghidra trace sync-synth-stopped`"")
 }
 
 function Compute-Lldb-Usermode-Args {

Ghidra/Debug/Debugger-agent-lldb/data/support/lldbsetuputils.sh

@@ -82,6 +82,8 @@ add-lldb-extra-cmds() {
 }
 
 add-lldb-tail-args() {
+	args+=(-o "ghidra trace sync-enable")
+	args+=(-o "ghidra trace sync-synth-stopped")
 	true
 }