Making ArchiveFormats breaks the API, but that's ok

Add compatibility filters to hide the breakage.

Change-Id: Icc1fdc29f15d734d488e49c9c37a18f5ac937903

org.eclipse.jgit.archive/.settings/.api_filters

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<component id="org.eclipse.jgit.archive" version="2">
+    <resource path="src/org/eclipse/jgit/archive/TarFormat.java" type="org.eclipse.jgit.archive.TarFormat">
+        <filter id="337768515">
+            <message_arguments>
+                <message_argument value="org.eclipse.jgit.archive.TarFormat"/>
+            </message_arguments>
+        </filter>
+    </resource>
+    <resource path="src/org/eclipse/jgit/archive/Tbz2Format.java" type="org.eclipse.jgit.archive.Tbz2Format">
+        <filter comment="x" id="337768515">
+            <message_arguments>
+                <message_argument value="org.eclipse.jgit.archive.Tbz2Format"/>
+            </message_arguments>
+        </filter>
+    </resource>
+    <resource path="src/org/eclipse/jgit/archive/TgzFormat.java" type="org.eclipse.jgit.archive.TgzFormat">
+        <filter id="337768515">
+            <message_arguments>
+                <message_argument value="org.eclipse.jgit.archive.TgzFormat"/>
+            </message_arguments>
+        </filter>
+    </resource>
+    <resource path="src/org/eclipse/jgit/archive/TxzFormat.java" type="org.eclipse.jgit.archive.TxzFormat">
+        <filter id="337768515">
+            <message_arguments>
+                <message_argument value="org.eclipse.jgit.archive.TxzFormat"/>
+            </message_arguments>
+        </filter>
+    </resource>
+    <resource path="src/org/eclipse/jgit/archive/ZipFormat.java" type="org.eclipse.jgit.archive.ZipFormat">
+        <filter id="337768515">
+            <message_arguments>
+                <message_argument value="org.eclipse.jgit.archive.ZipFormat"/>
+            </message_arguments>
+        </filter>
+    </resource>
+</component>