Fix: write bigram entry at wrong position.

Change-Id: I69ef84c764243e44145fd906ba3332e02d3b1aa1

native/jni/src/suggest/policyimpl/dictionary/structure/v4/content/bigram_dict_content.cpp

@@ -189,7 +189,7 @@ bool BigramDictContent::runGCBigramList(const int bigramListPos,
         // Update has next flag in the last written entry.
         const BigramEntry bigramEntry = getBigramEntry(lastEntryPos).updateHasNextAndGetEntry(
                 false /* hasNext */);
-        if (!writeBigramEntry(&bigramEntry, writingPos)) {
+        if (!writeBigramEntry(&bigramEntry, lastEntryPos)) {
             AKLOGE("Cannot write bigram entry to set hasNext flag after GC. pos: %d", writingPos);
             return false;
         }