Fix resource shrinker failing to fully remove unused style, plurals, and array resource types.

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MOS_MIGRATED_REVID=139357164

src/tools/android/java/com/google/devtools/build/android/ResourceShrinker.java

diff --git a/src/tools/android/java/com/google/devtools/build/android/ResourceShrinker.java b/src/tools/android/java/com/google/devtools/build/android/ResourceShrinker.java
index 4b4a9e9..c2c2751 100644
--- a/src/tools/android/java/com/google/devtools/build/android/ResourceShrinker.java
+++ b/src/tools/android/java/com/google/devtools/build/android/ResourceShrinker.java
@@ -397,7 +397,6 @@
           Node child = children.item(i);
           element.removeChild(child);
         }
-        return;
       }
     }
     NodeList children = element.getChildNodes();