storaged: clean up output format

make it easy to use scripts parsing output

Test: adb shell storaged -u
Change-Id: I459078c4ddf6e18fe1eb05d25d564e6e6d03e87e
diff --git a/storaged/storaged_service.cpp b/storaged/storaged_service.cpp
index c099048..33e85e3 100644
--- a/storaged/storaged_service.cpp
+++ b/storaged/storaged_service.cpp
@@ -136,16 +136,16 @@
         last_ts = it.first;
 
         for (const auto& record : it.second.entries) {
-            dprintf(fd, "%s %llu %llu %llu %llu %llu %llu %llu %llu\n",
+            dprintf(fd, "%s %ju %ju %ju %ju %ju %ju %ju %ju\n",
                 record.name.c_str(),
-                (unsigned long long)record.ios.bytes[READ][FOREGROUND][CHARGER_OFF],
-                (unsigned long long)record.ios.bytes[WRITE][FOREGROUND][CHARGER_OFF],
-                (unsigned long long)record.ios.bytes[READ][BACKGROUND][CHARGER_OFF],
-                (unsigned long long)record.ios.bytes[WRITE][BACKGROUND][CHARGER_OFF],
-                (unsigned long long)record.ios.bytes[READ][FOREGROUND][CHARGER_ON],
-                (unsigned long long)record.ios.bytes[WRITE][FOREGROUND][CHARGER_ON],
-                (unsigned long long)record.ios.bytes[READ][BACKGROUND][CHARGER_ON],
-                (unsigned long long)record.ios.bytes[WRITE][BACKGROUND][CHARGER_ON]);
+                record.ios.bytes[READ][FOREGROUND][CHARGER_OFF],
+                record.ios.bytes[WRITE][FOREGROUND][CHARGER_OFF],
+                record.ios.bytes[READ][BACKGROUND][CHARGER_OFF],
+                record.ios.bytes[WRITE][BACKGROUND][CHARGER_OFF],
+                record.ios.bytes[READ][FOREGROUND][CHARGER_ON],
+                record.ios.bytes[WRITE][FOREGROUND][CHARGER_ON],
+                record.ios.bytes[READ][BACKGROUND][CHARGER_ON],
+                record.ios.bytes[WRITE][BACKGROUND][CHARGER_ON]);
         }
     }