Revert "Optimize ResTable::getLocales() to improve bindApplication performance"

This reverts commit 5520581b5f043fb858b5b2044ff33ad8545a6d38.

bug 28189634

Change-Id: I2d2b859f6d9bd44434fa901cce990583f514980c
diff --git a/libs/androidfw/tests/TestHelpers.h b/libs/androidfw/tests/TestHelpers.h
index ff9be16..ac80d88 100644
--- a/libs/androidfw/tests/TestHelpers.h
+++ b/libs/androidfw/tests/TestHelpers.h
@@ -21,7 +21,7 @@
 enum { MAY_NOT_BE_BAG = false };
 
 static inline bool operator==(const android::ResTable_config& a, const android::ResTable_config& b) {
-    return a.compare(b) == 0;
+    return memcmp(&a, &b, sizeof(a)) == 0;
 }
 
 static inline ::std::ostream& operator<<(::std::ostream& out, const android::ResTable_config& c) {