WIP: Move hostapd to vendor partition

Move hostapd to /vendor/bin/ because it's only used by WIFI HAL.
WIP: Preparing for integratoin test.

Bug: 34236942
Bug: 34237659
Test: Hotspot works fine.

Change-Id: I6cb6cdb5eb7403a74629b4d428b01ccfd81bcce8
diff --git a/hostapd/hostapd.android.rc b/hostapd/hostapd.android.rc
index 0ae27ca..08ea488 100644
--- a/hostapd/hostapd.android.rc
+++ b/hostapd/hostapd.android.rc
@@ -9,7 +9,7 @@
 on post-fs-data
     mkdir /data/misc/wifi/hostapd 0770 wifi wifi
 
-service hostapd /system/bin/hostapd \
+service hostapd /vendor/bin/hostapd \
         -e /data/misc/wifi/entropy.bin \
         /data/misc/wifi/hostapd.conf
     class main