Fix Android bots.

Change-Id: I62a14a52237cbcb1706df6ab63014370d9228be1
Reviewed-on: https://boringssl-review.googlesource.com/13946
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>

util/run_android_tests.go

@@ -243,6 +243,8 @@ func main() {
 			"BUILDING.md",
 			"ssl/test/runner/cert.pem",
 			"ssl/test/runner/channel_id_key.pem",
+			"ssl/test/runner/ecdsa_p224_cert.pem",
+			"ssl/test/runner/ecdsa_p224_key.pem",
 			"ssl/test/runner/ecdsa_p256_cert.pem",
 			"ssl/test/runner/ecdsa_p256_key.pem",
 			"ssl/test/runner/ecdsa_p384_cert.pem",