logd: Add TID statistics

Bug: 19608965
Change-Id: Ifbf0b00c48ef12b5970b9f9f217bd1dd8f587f2c
diff --git a/logd/LogBufferElement.cpp b/logd/LogBufferElement.cpp
index 164faa9..975265b 100644
--- a/logd/LogBufferElement.cpp
+++ b/logd/LogBufferElement.cpp
@@ -58,7 +58,7 @@
 }
 
 // caller must own and free character string
-static char *tidToName(pid_t tid) {
+char *android::tidToName(pid_t tid) {
     char *retval = NULL;
     char buffer[256];
     snprintf(buffer, sizeof(buffer), "/proc/%u/comm", tid);
@@ -108,9 +108,9 @@
     static const char format_uid[] = "uid=%u%s too chatty%s, expire %u line%s";
 
     char *name = parent->uidToName(mUid);
-    char *commName = tidToName(mTid);
+    char *commName = android::tidToName(mTid);
     if (!commName && (mTid != mPid)) {
-        commName = tidToName(mPid);
+        commName = android::tidToName(mPid);
     }
     if (!commName) {
         commName = parent->pidToName(mPid);