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: Ibeb4178f99857be75bb5f83a073a2d679058d921
diff --git a/keystore/Android.bp b/keystore/Android.bp
index b59bacc..39208c6 100644
--- a/keystore/Android.bp
+++ b/keystore/Android.bp
@@ -47,8 +47,8 @@
         "keystore_client.proto",
     ],
     shared_libs: [
-        "android.security.apc-ndk_platform",
-        "android.system.keystore2-V1-ndk_platform",
+        "android.security.apc-ndk",
+        "android.system.keystore2-V1-ndk",
         "libbinder",
         "libbinder_ndk",
         "libchrome",
diff --git a/keystore/tests/Android.bp b/keystore/tests/Android.bp
index 39601eb..f51cc2f 100644
--- a/keystore/tests/Android.bp
+++ b/keystore/tests/Android.bp
@@ -62,7 +62,7 @@
         "libgtest_main",
         "libutils",
         "liblog",
-        "android.security.apc-ndk_platform",
+        "android.security.apc-ndk",
     ],
     shared_libs: [
         "libbinder_ndk",