Moving ssl_certificate layout, resources, and helper code to SslCertificate
Add IKeyChainService.deleteCaCertificate

Change-Id: If42341bc732efcfe4f958c00cdd6c0fec11a3c75
diff --git a/keystore/java/android/security/IKeyChainService.aidl b/keystore/java/android/security/IKeyChainService.aidl
index 2763e46..23ffd59 100644
--- a/keystore/java/android/security/IKeyChainService.aidl
+++ b/keystore/java/android/security/IKeyChainService.aidl
@@ -30,5 +30,6 @@
     void installCaCertificate(in byte[] caCertificate);
 
     // APIs used by Settings
+    boolean deleteCaCertificate(String alias);
     boolean reset();
 }