trace_processor: always print out longs in decimal

It's very annoying to figure out whether a long is in hex or decimal and
also to constantly convert from hex back to decimal.

Always print in decimal.

Change-Id: Ib4598e6371ca2cf875f90067fa850b1b809a2309
diff --git a/src/trace_processor/trace_processor_shell.cc b/src/trace_processor/trace_processor_shell.cc
index 9c44cd1..1cc5d0d 100644
--- a/src/trace_processor/trace_processor_shell.cc
+++ b/src/trace_processor/trace_processor_shell.cc
@@ -175,7 +175,7 @@
           break;
         case protos::RawQueryResult_ColumnDesc_Type_LONG: {
           auto value = res.columns(c).long_values(r);
-          printf((value < 0xffffffll) ? "%20lld" : "%20llx", value);
+          printf("%20lld", value);
           break;
         }
       }