dumpstate: touch: Add touch_predump for syna

go/touch_predump

Test: b/318578275
Test: Flash on dogfood and check touch dump logs
Bug: 287907308
Change-Id: I88c488dec5de85545ae5f33f5e65371883982e48
diff --git a/touch/syna/Android.bp b/touch/syna/Android.bp
index 46475d8..d34ee95 100644
--- a/touch/syna/Android.bp
+++ b/touch/syna/Android.bp
@@ -10,3 +10,10 @@
     sub_dir: "dump",
 }
 
+sh_binary {
+    name: "predump_syna.sh",
+    src: "dump_syna.sh",
+    init_rc: ["init.touch.syna.rc"],
+    vendor: true,
+    sub_dir: "dump_touch",
+}