Upgrade bazlets to latest stable-2.14 to build with 2.14.20 API
Upgrade bazlets to latest stable-2.14 to build with 2.14.20 API

Change-Id: I0377b852a2c60ca4c32ba8456200949eb54575e2

GerritCodeReview/plugins_javamelody,GerritCodeReview/plugins_javamelody,GerritCodeReview/plugins_javamelody