[마이][Common] 코인 데이터 포맷 변경

app/src/main/java/kr/co/zumo/app/lifeplus/bean/api/CoinInfoBean.java

@@ -21,7 +21,7 @@ public class CoinInfoBean extends JsonBeanBase {
   /*
    {"goodName" : "thermos","goodAmt" : "3000", "cponUsyn" : "적립/사용" , "purcDate" : "20181010"},
    */
-  public static final String DATE_PATTERN = "yyMMdd";
+  public static final String DATE_PATTERN = "yyyyMMdd";
 
   public static final String FLAG_PLUS = "적립";
   public static final String FLAG_MINUS = "사용";