Add dependency on keymint cpp lib

android.hardware.identity-V4-cpp depends on the keymint cpp lib, so
we need to also link to it to satisfy all the link-time dependencies.

Test: VtsHalIdentityTargetTest
Bug: 194696876
Change-Id: Id686ac33a4112880b205c5c612fd8b51d2715e3b
diff --git a/identity/Android.bp b/identity/Android.bp
index 7b0503a..790a731 100644
--- a/identity/Android.bp
+++ b/identity/Android.bp
@@ -27,6 +27,7 @@
     defaults: [
         "identity_defaults",
         "keymint_use_latest_hal_aidl_ndk_shared",
+        "keymint_use_latest_hal_aidl_cpp_static",
     ],
 
     srcs: [