Turn off most of the backup-related debug logging

The core logging in BackupManagerService and in the Google backup transport are
still enabled at this point.

Change-Id: I10abfa565bbd1097dd3631051b6aca163e4af33a
diff --git a/libs/utils/BackupData.cpp b/libs/utils/BackupData.cpp
index 2535094..adb3174 100644
--- a/libs/utils/BackupData.cpp
+++ b/libs/utils/BackupData.cpp
@@ -107,7 +107,7 @@
     } else {
         k = key;
     }
-    if (true) {
+    if (false) {
         LOGD("Writing entity: prefix='%s' key='%s' dataSize=%d", m_keyPrefix.string(), key.string(),
                 dataSize);
     }