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: Id17572137091b295457dc98fdd1742da0983e738
diff --git a/gnss/47765/Android.bp b/gnss/47765/Android.bp
index 53a7d2d..8ce2dd0 100644
--- a/gnss/47765/Android.bp
+++ b/gnss/47765/Android.bp
@@ -42,7 +42,7 @@
                 "android.hardware.gnss@2.1",
                 "android.hardware.gnss.measurement_corrections@1.0",
                 "android.hardware.gnss.visibility_control@1.0",
-                "android.hardware.gnss-V1-ndk_platform",
+                "android.hardware.gnss-V1-ndk",
                 "libhardware",
                 "libc++",
                 "libc",