Try to fix build errors on Android.

It doesn't like the implicit conversion from T[] to ArrayRef<T>
so I'm using `llvm::makeArrayRef()`.  Hopefully I got everything.

llvm-svn: 282195
diff --git a/lldb/source/Commands/CommandObjectArgs.cpp b/lldb/source/Commands/CommandObjectArgs.cpp
index 6cd7529..59b9c5a 100644
--- a/lldb/source/Commands/CommandObjectArgs.cpp
+++ b/lldb/source/Commands/CommandObjectArgs.cpp
@@ -69,7 +69,7 @@
 
 llvm::ArrayRef<OptionDefinition>
 CommandObjectArgs::CommandOptions::GetDefinitions() {
-  return g_arg_options;
+  return llvm::makeArrayRef(g_arg_options);
 }
 
 CommandObjectArgs::CommandObjectArgs(CommandInterpreter &interpreter)