Change trace logging to use GPR_INFO instead of GPR_DEBUG.
diff --git a/src/core/lib/iomgr/ev_epollsig_linux.cc b/src/core/lib/iomgr/ev_epollsig_linux.cc
index 1e30f66..494bc71 100644
--- a/src/core/lib/iomgr/ev_epollsig_linux.cc
+++ b/src/core/lib/iomgr/ev_epollsig_linux.cc
@@ -292,7 +292,7 @@
                            const char* file, int line) {
   if (grpc_polling_trace.enabled()) {
     gpr_atm old_cnt = gpr_atm_acq_load(&pi->ref_count);
-    gpr_log(GPR_DEBUG,
+    gpr_log(GPR_INFO,
             "Add ref pi: %p, old:%" PRIdPTR " -> new:%" PRIdPTR
             " (%s) - (%s, %d)",
             pi, old_cnt, old_cnt + 1, reason, file, line);
@@ -304,7 +304,7 @@
                          const char* file, int line) {
   if (grpc_polling_trace.enabled()) {
     gpr_atm old_cnt = gpr_atm_acq_load(&pi->ref_count);
-    gpr_log(GPR_DEBUG,
+    gpr_log(GPR_INFO,
             "Unref pi: %p, old:%" PRIdPTR " -> new:%" PRIdPTR
             " (%s) - (%s, %d)",
             pi, old_cnt, (old_cnt - 1), reason, file, line);