Upgrade java debug adapter and switch to JDT LS stable

Author: yyoncho

install/pom.xml

@@ -91,7 +91,7 @@
                 <artifactItem>
                   <groupId>com.microsoft.java</groupId>
                   <artifactId>com.microsoft.java.debug.plugin</artifactId>
-                  <version>0.11.0</version>
+                  <version>0.20.0</version>
                   <outputDirectory>${java.debug.root}</outputDirectory>
                   <destFileName>java.debug.plugin.jar</destFileName>
                 </artifactItem>

lsp-java.el

@@ -46,7 +46,7 @@ The slash is expected at the end."
   :risky t
   :type 'directory)
 
-(defcustom lsp-java-jdt-download-url "http://download.eclipse.org/jdtls/snapshots/jdt-language-server-latest.tar.gz"
+(defcustom lsp-java-jdt-download-url "http://download.eclipse.org/jdtls/milestones/0.40.0/jdt-language-server-0.40.0-201906040221.tar.gz"
   "JDT JS download url.
 Use http://download.eclipse.org/che/che-ls-jdt/snapshots/che-jdt-language-server-latest.tar.gz if you want to use Eclipse Che JDT LS."
   :group 'lsp-java