dumpstate: touch: Add touch_predump for focaltech

10-01 21:39:00.372 11262 11262 I sh      : type=1400 audit(0.0:20): avc:
denied  { write } for  name="driver_test" dev="proc" ino=4026536282
scontext=u:r:predump_touch:s0 tcontext=u:object_r:proc_touch:s0
tclass=file permissive=1

10-01 21:40:03.076  6244  6244 I sh      : type=1400 audit(0.0:21): avc:
denied  { search } for  name="focaltech_touch" dev="proc" ino=4026535873
scontext=u:r:predump_touch:s0 tcontext=u:object_r:proc_touch:s0
tclass=dir permissive=1

Test: b/318578275
Test: Flash on dogfood device and check touch dump logs
Bug: 287907308
Flag: EXEMPT bugfix
Change-Id: I1652ecc1054b50946159d4c3c0f3995cefa896f5
diff --git a/touch/focaltech/Android.bp b/touch/focaltech/Android.bp
index ebaa308..0b53132 100644
--- a/touch/focaltech/Android.bp
+++ b/touch/focaltech/Android.bp
@@ -9,3 +9,11 @@
     vendor: true,
     sub_dir: "dump",
 }
+
+sh_binary {
+    name: "predump_focaltech.sh",
+    src: "dump_focaltech.sh",
+    init_rc: ["init.touch.rc"],
+    vendor: true,
+    sub_dir: "dump_touch",
+}