Keystore 2.0: Move keymint spec to security namespace.

Test: N/A
Change-Id: Ief0e9884a376280befc4f7e635cc61db2b0365ec
diff --git a/keystore2/aidl/Android.bp b/keystore2/aidl/Android.bp
index 00f38aa..3b2dff0 100644
--- a/keystore2/aidl/Android.bp
+++ b/keystore2/aidl/Android.bp
@@ -17,7 +17,7 @@
     srcs: [
         "android/security/attestationmanager/*.aidl",
     ],
-    imports: [ "android.hardware.keymint" ],
+    imports: [ "android.hardware.security.keymint" ],
     unstable: true,
     backend: {
         java: {