Setting libcppcose to host supported.

This change adds the host supported flag to the libcppcose and removes
some unnecessary dependencies from the blueprint file.

Test: libcppcose builds
Change-Id: I45bca44267a50d0d401fc1964f96363e558317ff
diff --git a/security/keymint/support/Android.bp b/security/keymint/support/Android.bp
index fe04ede..4c4258b 100644
--- a/security/keymint/support/Android.bp
+++ b/security/keymint/support/Android.bp
@@ -66,6 +66,7 @@
 cc_library {
     name: "libcppcose",
     vendor_available: true,
+    host_supported: true,
     srcs: [
         "cppcose.cpp",
     ],
@@ -73,13 +74,8 @@
         "include",
     ],
     shared_libs: [
-        "libbinder_ndk",
         "libcppbor_external",
         "libcrypto",
         "liblog",
     ],
-    static_libs: [
-        // TODO(swillden): Remove keymint NDK
-        "android.hardware.security.keymint-V1-ndk_platform",
-    ],
 }