Adb: use VLOG() to replace D() for verbose logging.

As there are too many D(), we can keep both VLOG() and D() now, and get
rid of D() gradually.

Change-Id: I2f1cb70bcab3e82c99fed939341d03f6b2216076
diff --git a/adb/shell_service.cpp b/adb/shell_service.cpp
index f1bc36d..714a2d8 100644
--- a/adb/shell_service.cpp
+++ b/adb/shell_service.cpp
@@ -75,7 +75,7 @@
 // to be more complex due to partial reads and non-blocking I/O so this model
 // was chosen instead.
 
-#define TRACE_TAG TRACE_SHELL
+#define TRACE_TAG SHELL
 
 #include "shell_service.h"