Zygote: Avoid string concatentation for systrace

Avoid the allocation of an unneeded string. With more than 4000
classes being preloaded, this adds up.

Test: m
Test: device boots
Change-Id: I61f10f61ebdd08d17e09aaedd8bf54cc40c41838

1 files changed, 1 insertions, 1 deletions

diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/android/internal/os/ZygoteInit.java
index 1c307c9410f3..9979b84dc9c0 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -258,7 +258,7 @@ public class ZygoteInit {
                     continue;
                 }
 
-                Trace.traceBegin(Trace.TRACE_TAG_DALVIK, "PreloadClass " + line);
+                Trace.traceBegin(Trace.TRACE_TAG_DALVIK, line);
                 try {
                     if (false) {
                         Log.v(TAG, "Preloading " + line + "...");