Update vold to log only debug or higher level messages.

This will allow adding lots of verbose logs which can be enabled
only during local testing/debugging. Update the existing verbose
level logs to debug level since we want those to be logged by
default.

Test: manual
Change-Id: Ib05e2b6efa71308458d49affb6ed81d3975b28ab
diff --git a/model/EmulatedVolume.cpp b/model/EmulatedVolume.cpp
index 7ec109c..8d9ac74 100644
--- a/model/EmulatedVolume.cpp
+++ b/model/EmulatedVolume.cpp
@@ -105,7 +105,7 @@
 
     nsecs_t start = systemTime(SYSTEM_TIME_BOOTTIME);
     while (before == GetDevice(mFuseWrite)) {
-        LOG(VERBOSE) << "Waiting for FUSE to spin up...";
+        LOG(DEBUG) << "Waiting for FUSE to spin up...";
         usleep(50000);  // 50ms
 
         nsecs_t now = systemTime(SYSTEM_TIME_BOOTTIME);