Change profiler file name parsing option

This patch renames the option for profile output file name to -Xprofile-filename: to avoid conflicts.

Change-Id: I5ba1cf10a7763f083028b8262f9ce2421400c4f3
Signed-off-by: Wei Jin <wejin@google.com>
diff --git a/runtime/parsed_options.cc b/runtime/parsed_options.cc
index 2987393..4330d27 100644
--- a/runtime/parsed_options.cc
+++ b/runtime/parsed_options.cc
@@ -533,7 +533,7 @@
       Trace::SetDefaultClockSource(kProfilerClockSourceWall);
     } else if (option == "-Xprofile:dualclock") {
       Trace::SetDefaultClockSource(kProfilerClockSourceDual);
-    } else if (StartsWith(option, "-Xprofile:")) {
+    } else if (StartsWith(option, "-Xprofile-filename:")) {
       if (!ParseStringAfterChar(option, ':', &profile_output_filename_)) {
         return false;
       }
@@ -786,7 +786,7 @@
   UsageMessage(stream, "  -Xmethod-trace\n");
   UsageMessage(stream, "  -Xmethod-trace-file:filename");
   UsageMessage(stream, "  -Xmethod-trace-file-size:integervalue\n");
-  UsageMessage(stream, "  -Xprofile=filename\n");
+  UsageMessage(stream, "  -Xprofile-filename:filename\n");
   UsageMessage(stream, "  -Xprofile-period:integervalue\n");
   UsageMessage(stream, "  -Xprofile-duration:integervalue\n");
   UsageMessage(stream, "  -Xprofile-interval:integervalue\n");