Have DM and nanobench display times in minutes when they're above 60 seconds.

tools/timer/Timer.cpp

Index: tools/timer/Timer.cpp
diff --git a/tools/timer/Timer.cpp b/tools/timer/Timer.cpp
index e430404b3d7836d622bb45d734b7c9a8a45420a0..b59988ca2642f5f3330d05ba849cdde8c4c49e0d 100644
--- a/tools/timer/Timer.cpp
+++ b/tools/timer/Timer.cpp
@@ -53,12 +53,13 @@ void WallTimer::end() {
 }
 
 SkString HumanizeMs(double ms) {
-    if (ms > 1e+3)     return SkStringPrintf("%.3gs",  ms/1e3);
-    if (ms < 1e-3)     return SkStringPrintf("%.3gns", ms*1e6);
+    if (ms > 60e+3)  return SkStringPrintf("%.3gm", ms/60e+3);
+    if (ms >  1e+3)  return SkStringPrintf("%.3gs",  ms/1e+3);
+    if (ms <  1e-3)  return SkStringPrintf("%.3gns", ms*1e+6);
 #ifdef SK_BUILD_FOR_WIN
-    if (ms < 1)        return SkStringPrintf("%.3gus", ms*1e3);
+    if (ms < 1)      return SkStringPrintf("%.3gus", ms*1e+3);
 #else
-    if (ms < 1)        return SkStringPrintf("%.3gµs", ms*1e3);
+    if (ms < 1)      return SkStringPrintf("%.3gµs", ms*1e+3);
 #endif
     return SkStringPrintf("%.3gms", ms);
 }