Test and fix bug checking status of secondary multidex files.
We were accidentally returning 'false' instead of 'true' to indicate a native
multidex file with an up-to-date primary dex file checksum but out-of-date
secondary dex file checksum is out of date.
Bug: 21022815
Change-Id: I43d360ca9251d0df38ad7f8289f6ef339c0a3280
diff --git a/test/MultiDexModifiedSecondary/README.txt b/test/MultiDexModifiedSecondary/README.txt
new file mode 100644
index 0000000..4cf3a56
--- /dev/null
+++ b/test/MultiDexModifiedSecondary/README.txt
@@ -0,0 +1,4 @@
+MultiDexModifiedSecondary is designed to result in a multidex file that has
+the same classes.dex file as MultiDex, but a different classes2.dex.
+
+This is used in the OatFileAssistantTest.MultiDexSecondaryOutOfDate gtest.