Add isLoggable checks to all verbose and debug log outputs (1/2)

Bug: 6813854

Test: built apk and verified log is seen in logcat

Change-Id: Ib17cac0d2d9553276c4271221110305ab2d70a46
diff --git a/src/com/android/contacts/ContactSaveService.java b/src/com/android/contacts/ContactSaveService.java
index e05f7c6..4e2d178 100755
--- a/src/com/android/contacts/ContactSaveService.java
+++ b/src/com/android/contacts/ContactSaveService.java
@@ -304,7 +304,9 @@
     @Override
     protected void onHandleIntent(final Intent intent) {
         if (intent == null) {
-            Log.d(TAG, "onHandleIntent: could not handle null intent");
+            if (Log.isLoggable(TAG, Log.DEBUG)) {
+                Log.d(TAG, "onHandleIntent: could not handle null intent");
+            }
             return;
         }
         if (!PermissionsUtil.hasPermission(this, WRITE_CONTACTS)) {
@@ -578,7 +580,7 @@
                                     rawContactId);
                     lookupUri = RawContacts.getContactLookupUri(resolver, rawContactUri);
                 }
-                if (lookupUri != null) {
+                if (lookupUri != null && Log.isLoggable(TAG, Log.VERBOSE)) {
                     Log.v(TAG, "Saved contact. New URI: " + lookupUri);
                 }