Lagom: Add clang address/memory/undefined-behavior analyzer support

Adding the ability to turn on Clang analyzer support in the Lagom build.
Right now the following are working warning free on the LibJS test suite:

 -DENABLE_MEMORY_SANITIZER:BOOL=ON

 -DENABLE_ADDRESS_SANITIZER:BOOL=ON

The following analyzer produces errors when running the LibJS test suite:

 -DENABLE_UNDEFINED_SANITIZER:BOOL=ON

Libraries/LibJS/Tests/run-tests

@@ -4,6 +4,9 @@ if [ "`uname`" = "SerenityOS" ]; then
     js_program=/bin/js
 else
     [ -z "$js_program" ] && js_program="$SERENITY_ROOT/Meta/Lagom/build/js"
+
+    # Enable back traces if sanitizers are enabled
+    export UBSAN_OPTIONS=print_stacktrace=1
 fi
 
 pass_count=0