Switch from dist-for-goals to dist in Android.bp

Removes a few more Android.mk files.

Test: check for adb, mkbootfs, and fastboot in the build artifacts
Change-Id: Ie4e50a363a734d0b9207f0d0098c54719f038e76
diff --git a/cpio/Android.bp b/cpio/Android.bp
index 847e0f1..baa0319 100644
--- a/cpio/Android.bp
+++ b/cpio/Android.bp
@@ -5,4 +5,7 @@
     srcs: ["mkbootfs.c"],
     cflags: ["-Werror"],
     shared_libs: ["libcutils"],
+    dist: {
+        targets: ["dist_files"],
+    },
 }