Update supplicant service to use supplicant AIDL V4 interface.

Bug: 348669010
Test: TH Presubmit tests
Test: Manual - Basic Wi-Fi STA connect/disconnect tests.
Change-Id: I14a1a255f168e00fb713abe787ba30510d1e224b
diff --git a/wpa_supplicant/Android.bp b/wpa_supplicant/Android.bp
index afcc04b..8c50031 100644
--- a/wpa_supplicant/Android.bp
+++ b/wpa_supplicant/Android.bp
@@ -67,7 +67,7 @@
     defaults: ["wpa_supplicant_cflags_defaults"],
     srcs: [":wpa_supplicant_srcs"],
     shared_libs: [
-        "android.hardware.wifi.supplicant-V3-ndk",
+        "android.hardware.wifi.supplicant-V4-ndk",
         "android.system.keystore2-V1-ndk",
         "libbase",
         "libbinder_ndk",