scripted-diff: validateaddress to getaddressinfo in tests

Change all instances of validateaddress to getaddressinfo since it seems that
no test actually uses validateaddress for actually validating addresses.

-BEGIN VERIFY SCRIPT-
find ./test/functional -path '*py' -not -path ./test/functional/wallet_disable.py -not -path ./test/functional/rpc_deprecated.py -not -path ./test/functional/wallet_address_types.py -exec sed -i'' -e 's/validateaddress/getaddressinfo/g' {} \;
-END VERIFY SCRIPT-

test/functional/wallet_dump.py

@@ -97,7 +97,7 @@ class WalletDumpTest(BitcoinTestFramework):
         addrs = []
         for i in range(0,test_addr_count):
             addr = self.nodes[0].getnewaddress()
-            vaddr= self.nodes[0].validateaddress(addr) #required to get hd keypath
+            vaddr= self.nodes[0].getaddressinfo(addr) #required to get hd keypath
             addrs.append(vaddr)
         # Should be a no-op:
         self.nodes[0].keypoolrefill()
@@ -143,13 +143,13 @@ class WalletDumpTest(BitcoinTestFramework):
         self.start_node(0, ['-wallet=w2'])
 
         # Make sure the address is not IsMine before import
-        result = self.nodes[0].validateaddress(multisig_addr)
+        result = self.nodes[0].getaddressinfo(multisig_addr)
         assert(result['ismine'] == False)
 
         self.nodes[0].importwallet(os.path.abspath(tmpdir + "/node0/wallet.unencrypted.dump"))
 
         # Now check IsMine is true
-        result = self.nodes[0].validateaddress(multisig_addr)
+        result = self.nodes[0].getaddressinfo(multisig_addr)
         assert(result['ismine'] == True)
 
 if __name__ == '__main__':