Prevent loading styles if style position is outside of string

- fixes #1453

brut.apktool/apktool-lib/src/main/java/brut/androlib/res/decoder/StringBlock.java

@@ -131,6 +131,11 @@ public class StringBlock {
         if (style == null) {
             return ResXmlEncoders.escapeXmlChars(raw);
         }
+
+        // If the returned style is further in string, than string length. Lets skip it.
+        if (style[1] > raw.length()) {
+            return ResXmlEncoders.escapeXmlChars(raw);
+        }
         StringBuilder html = new StringBuilder(raw.length() + 32);
         int[] opened = new int[style.length / 3];
         int offset = 0, depth = 0;

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

@@ -253,6 +253,11 @@ public class BuildAndDecodeTest {
         compareValuesFiles("values-ast/strings.xml");
     }
 
+    @Test
+    public void androidOStringTest() throws BrutException, IOException {
+        compareValuesFiles("values-ast/strings.xml");
+    }
+
     @Test
     public void twoLetterNotHandledAsBcpTest() throws BrutException, IOException {
         checkFolderExists("res/values-fr");

brut.apktool/apktool-lib/src/test/resources/brut/apktool/testapp/res/values-ar-rXB/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="test1">"‏‮Forgot‬‏ ‏‮your‬‏ ‏‮username‬‏ ‏‮or‬‏ ‏‮password?‬‏\n‏‮Visit‬‏ ‏‮google.com/accounts/recover‬‏‏‮y‬‏‏‮.‬‏"</string>
+    <string name="test2">‏‮Forgot‬‏ ‏‮your‬‏ ‏‮username‬‏ ‏‮or‬‏ ‏‮password?‬\n.‏‮Visit‬‏ ‏‮google.com/accounts/recover‬‏‏‮y‬‏</string>
+    <string name="test3">          (string8) "‏‮Forgot‬‏ ‏‮your‬‏ ‏‮username‬‏ ‏‮or‬‏ ‏‮password?‬‏\n‏‮Visit‬‏ ‏‮google.com/accounts/recover‬‏‏‮y‬‏‏‮.‬‏"</string>
+    <string name="test4">Forgot your username or password?\nVisit google.com/accounts/recovery.</string>
+    <string name="test5">‏‮Forgot‬‏ ‏‮your‬‏ ‏‮username‬‏ ‏‮or‬‏ ‏‮password?‬‏
+        ‏‮Visit‬‏ ‏‮google.com/accounts/recover‬‏‏‮y‬‏‏‮.‬‏</string>
+</resources>