Prepare for single jar to the Android Platform

Bug: 145339280
Change-Id: Ib32b57b067c2ab8c1e0dcdb000681301fbd9bc57
diff --git a/src/main/keep.txt b/src/main/keep.txt
index d33b879..d52b8f0 100644
--- a/src/main/keep.txt
+++ b/src/main/keep.txt
@@ -9,7 +9,6 @@
 -keep public class com.android.tools.r8.R8 { public static void main(java.lang.String[]); }
 -keep public class com.android.tools.r8.ExtractMarker { public static void main(java.lang.String[]); }
 -keep public class com.android.tools.r8.compatdexbuilder.CompatDexBuilder { public static void main(java.lang.String[]); }
--keep public class com.android.tools.r8.compatdx.CompatDx { public static void main(java.lang.String[]); }
 -keep public class com.android.tools.r8.dexfilemerger.DexFileMerger { public static void main(java.lang.String[]); }
 -keep public class com.android.tools.r8.dexsplitter.DexSplitter { public static void main(java.lang.String[]); }
 
@@ -23,3 +22,6 @@
 -keepattributes LineNumberTable, InnerClasses, EnclosingMethod, Exceptions, Signature
 
 -keeppackagenames com.android.tools.r8
+
+# Compatibility command line program used by the Android Platform build.
+-keep public class com.android.tools.r8.compatproguard.CompatProguard { public static void main(java.lang.String[]); }