Suppress overwriting platformBuildVersion[Code/Name]

- fixes #890
 - introduces unit-test comparing manifest

brut.apktool/apktool-lib/src/test/java/brut/androlib/BuildAndDecodeTest.java

@@ -62,6 +62,11 @@ public class BuildAndDecodeTest {
         assertTrue(sTestNewDir.isDirectory());
     }
 
+    @Test
+    public void manifestTaggingNotSupressed() throws BrutException {
+        compareXmlFiles("AndroidManifest.xml");
+    }
+
     @Test
     public void valuesAnimsTest() throws BrutException {
         compareValuesFiles("values-mcc001/anims.xml");

brut.apktool/apktool-lib/src/test/resources/brut/apktool/testapp/AndroidManifest.xml

@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest package="brut.apktool.testapp" xmlns:android="http://schemas.android.com/apk/res/android" />
+<manifest package="brut.apktool.testapp" xmlns:android="http://schemas.android.com/apk/res/android" platformBuildVersionCode="20" platformBuildVersionName="4.4W.2-1537038" />