thread: rename init.34rc to ot-daemon.34rc for clarity

(this renames the file in the apex, but should otherwise not matter)

Test: TreeHugger, manually on cf (thread daemon still starts)
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I6087f95b0f3a4ba10b922ca78d2210377d5075ea
diff --git a/thread/apex/Android.bp b/thread/apex/Android.bp
index edf000a..838c0d9 100644
--- a/thread/apex/Android.bp
+++ b/thread/apex/Android.bp
@@ -23,8 +23,8 @@
 // See https://android.googlesource.com/platform/system/core/+/HEAD/init/README.md#versioned-rc-files-within-apexs
 // for details of versioned rc files.
 prebuilt_etc {
-    name: "ot-daemon.init.34rc",
+    name: "ot-daemon.34rc",
     src: "ot-daemon.34rc",
-    filename: "init.34rc",
+    filename: "ot-daemon.34rc",
     installable: false,
 }