ReviewerModifier: Fix bad import

Bug: Google b/326096919
Release-Notes: skip
Change-Id: Ie43747451a26f842c669ec0752804b69f5fa6b1f
Signed-off-by: Edwin Kempin <ekempin@google.com>

java/com/google/gerrit/server/change/ReviewerModifier.java

diff --git a/java/com/google/gerrit/server/change/ReviewerModifier.java b/java/com/google/gerrit/server/change/ReviewerModifier.java
index 4b1d06c..61fab27 100644
--- a/java/com/google/gerrit/server/change/ReviewerModifier.java
+++ b/java/com/google/gerrit/server/change/ReviewerModifier.java
@@ -24,7 +24,7 @@
 import static java.util.Comparator.comparing;
 import static java.util.Objects.requireNonNull;
 
-import autovalue.shaded.com.google.common.base.Strings;
+import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Iterables;