ExtractorUnitTest: Update comparison test for flac, wav and midi extractors

This CL also validates output consistency between two runs by
extracting the same file twice.

Test: atest ExtractorUnitTest -- --enable-module-dynamic-download=true

Bug: 154958474

Change-Id: I302db21ad5b9e0baf42685210f42003d05507d10
diff --git a/media/extractors/tests/AndroidTest.xml b/media/extractors/tests/AndroidTest.xml
index 1f17d42..fc8152c 100644
--- a/media/extractors/tests/AndroidTest.xml
+++ b/media/extractors/tests/AndroidTest.xml
@@ -19,7 +19,7 @@
         <option name="cleanup" value="true" />
         <option name="push" value="ExtractorUnitTest->/data/local/tmp/ExtractorUnitTest" />
         <option name="push-file"
-            key="https://storage.googleapis.com/android_media/frameworks/av/media/extractors/tests/extractor-1.3.zip?unzip=true"
+            key="https://storage.googleapis.com/android_media/frameworks/av/media/extractors/tests/extractor-1.4.zip?unzip=true"
             value="/data/local/tmp/ExtractorUnitTestRes/" />
     </target_preparer>