rename netbpfload.mainline.rc to netbpfload.33rc

(easier to realize what is happening, and clearer with the also
 existing netbpfload.35rc)

Test: TreeHugger
Change-Id: I587aa3d8b846800c7fc93765ecb0acc9715b0521
Signed-off-by: Maciej Żenczykowski <maze@google.com>
diff --git a/Tethering/apex/Android.bp b/Tethering/apex/Android.bp
index 304a6ed..8ed5ac0 100644
--- a/Tethering/apex/Android.bp
+++ b/Tethering/apex/Android.bp
@@ -112,7 +112,7 @@
     ],
     prebuilts: [
         "current_sdkinfo",
-        "netbpfload.mainline.rc",
+        "netbpfload.33rc",
         "netbpfload.35rc",
         "ot-daemon.init.34rc",
     ],