Keystore 2.0: Implement shared secret negotiation.

Perform shared secret negotiation between all eligible participants.

Bug: 160623310
Test: N/A
Change-Id: I7c0ddb92a8f0ebf9fc37434f662ba21aea15fff2
diff --git a/keystore2/src/vintf/Android.bp b/keystore2/src/vintf/Android.bp
index 77ec57d..feec8ae 100644
--- a/keystore2/src/vintf/Android.bp
+++ b/keystore2/src/vintf/Android.bp
@@ -55,6 +55,7 @@
         "--size_t-is-usize",
         "--whitelist-function", "getHalNames",
         "--whitelist-function", "getHalNamesAndVersions",
+        "--whitelist-function", "getHidlInstances",
         "--whitelist-function", "getAidlInstances",
         "--whitelist-function", "freeNames",
     ],