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
Merged-In: Id16039722fd70d4e2e934a0988f13a768ce833ec
Change-Id: Id16039722fd70d4e2e934a0988f13a768ce833ec
(cherry picked from commit dd1dbe6913768b403fc7c393dc20f4b63b2251a0)
diff --git a/services/mediatranscoding/Android.bp b/services/mediatranscoding/Android.bp
index a9fd14f..fa5eb4e 100644
--- a/services/mediatranscoding/Android.bp
+++ b/services/mediatranscoding/Android.bp
@@ -47,7 +47,7 @@
     ],
 
     static_libs: [
-        "mediatranscoding_aidl_interface-ndk_platform",
+        "mediatranscoding_aidl_interface-ndk",
     ],
 
     cflags: [
@@ -80,7 +80,7 @@
     ],
 
     static_libs: [
-        "mediatranscoding_aidl_interface-ndk_platform",
+        "mediatranscoding_aidl_interface-ndk",
     ],
 
     cflags: [