ICU-871 Synching jamo special forward and reverse collation iteration to have exactly the same collation elements

X-SVN-Rev: 13384

icu4j/src/com/ibm/icu/text/CollationElementIterator.java

@@ -2308,7 +2308,7 @@ public final class CollationElementIterator
             m_FCDStart_ = m_FCDLimit_ - 1;
             // Indicate where to continue in main input string after
             // exhausting the buffer
-            return IGNORABLE;
+            return next();
         }
     }
 
@@ -2906,7 +2906,7 @@ public final class CollationElementIterator
 
             m_FCDStart_ = m_source_.getIndex();
             m_FCDLimit_ = m_FCDStart_ + 1;
-            return IGNORABLE;
+            return previous();
         }
     }