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/VolumeManager.cpp b/VolumeManager.cpp
index f0b742e..53380af 100644
--- a/VolumeManager.cpp
+++ b/VolumeManager.cpp
@@ -176,8 +176,8 @@
     std::lock_guard<std::mutex> lock(mLock);
 
     if (mDebug) {
-        LOG(VERBOSE) << "----------------";
-        LOG(VERBOSE) << "handleBlockEvent with action " << (int)evt->getAction();
+        LOG(DEBUG) << "----------------";
+        LOG(DEBUG) << "handleBlockEvent with action " << (int)evt->getAction();
         evt->dump();
     }