Remove ndk_platform backend. Use the ndk backend.

The ndk_platform backend will soon be deprecated because the ndk backend
can serve the same purpose. This is to eliminate the confusion about
having two variants (ndk and ndk_platform) for the same ndk backend.

Bug: 161456198
Test: m
Change-Id: Ia47b4d5598731c3ff37312cb20ff1cae92a0897e
diff --git a/hostapd/Android.mk b/hostapd/Android.mk
index 627fd21..8449d16 100644
--- a/hostapd/Android.mk
+++ b/hostapd/Android.mk
@@ -1171,7 +1171,7 @@
 endif
 endif
 ifeq ($(HOSTAPD_USE_AIDL), y)
-LOCAL_SHARED_LIBRARIES += android.hardware.wifi.hostapd-V1-ndk_platform
+LOCAL_SHARED_LIBRARIES += android.hardware.wifi.hostapd-V1-ndk
 LOCAL_SHARED_LIBRARIES += libbase libutils
 LOCAL_SHARED_LIBRARIES += libbinder_ndk
 LOCAL_STATIC_LIBRARIES += libhostapd_aidl
@@ -1225,7 +1225,7 @@
     aidl/aidl.cpp \
     aidl/hostapd.cpp
 LOCAL_SHARED_LIBRARIES := \
-    android.hardware.wifi.hostapd-V1-ndk_platform \
+    android.hardware.wifi.hostapd-V1-ndk \
     libbinder_ndk \
     libbase \
     libutils \