Use canonical name for SHA1withECDSA

The Standard Names documentation that "ECDSA" should not be used due
to its ambiguity. This tracks the changes to Bouncycastle and Conscrypt.

Bug: 27753949
Change-Id: Id84049e6aa1a3ef131ba3ccea38a5a014db7809c
diff --git a/support/src/test/java/libcore/java/security/StandardNames.java b/support/src/test/java/libcore/java/security/StandardNames.java
index fedd32c..d414d4b 100644
--- a/support/src/test/java/libcore/java/security/StandardNames.java
+++ b/support/src/test/java/libcore/java/security/StandardNames.java
@@ -550,7 +550,7 @@
             provide("KeyFactory", "EC");
             provide("KeyPairGenerator", "EC");
             provide("Signature", "NONEWITHECDSA");
-            provide("Signature", "ECDSA"); // as opposed to SHA1WITHECDSA
+            provide("Signature", "SHA1WITHECDSA");
             provide("Signature", "SHA224WITHECDSA");
             provide("Signature", "SHA256WITHECDSA");
             provide("Signature", "SHA384WITHECDSA");