Revert "Turn OSL_TRACE output on only if OSL_DEBUG_LEVEL > 2"

Nah. I was misunderstanding. OSL_DEBUG_LEVEL == 1 is the normal one,
and OSL_DEBUG_LEVEL > 1 should turn on debugging output.

This reverts commit c91a84441c05d4f2d8541719ed439e7a2c27e675.

sal/inc/osl/diagnose.h

@@ -137,7 +137,7 @@ pfunc_osl_printDetailedDebugMessage SAL_CALL osl_setDetailedDebugMessageFunc( pf
 
 #endif /* OSL_DEBUG_LEVEL */
 
-#if OSL_DEBUG_LEVEL > 2
+#if OSL_DEBUG_LEVEL > 1
 
 #define _OSL_TRACE                  _OSL_GLOBAL osl_trace