Rename elasticsearch-nio to nio (#31186)

This commit renames :libs:elasticsearch-nio to :libs:nio.

Author: jasontedor

build.gradle

@@ -205,9 +205,8 @@ subprojects {
     "org.elasticsearch.gradle:build-tools:${version}": ':build-tools',
     "org.elasticsearch:rest-api-spec:${version}": ':rest-api-spec',
     "org.elasticsearch:elasticsearch:${version}": ':server',
-    "org.elasticsearch:elasticsearch-cli:${version}": ':libs:cli',
     "org.elasticsearch:elasticsearch-core:${version}": ':libs:core',
-    "org.elasticsearch:elasticsearch-nio:${version}": ':libs:elasticsearch-nio',
+    "org.elasticsearch:elasticsearch-nio:${version}": ':libs:nio',
     "org.elasticsearch:elasticsearch-x-content:${version}": ':libs:x-content',
     "org.elasticsearch:elasticsearch-secure-sm:${version}": ':libs:secure-sm',
     "org.elasticsearch.client:elasticsearch-rest-client:${version}": ':client:rest',

libs/elasticsearch-nio/build.gradle renamed to libs/nio/build.gradle

@@ -39,7 +39,7 @@ dependencies {
   testCompile "junit:junit:${versions.junit}"
   testCompile "org.hamcrest:hamcrest-all:${versions.hamcrest}"
 
-  if (isEclipse == false || project.path == ":libs:elasticsearch-nio-tests") {
+  if (isEclipse == false || project.path == ":libs:nio-tests") {
       testCompile("org.elasticsearch.test:framework:${version}") {
         exclude group: 'org.elasticsearch', module: 'elasticsearch-nio'
       }
@@ -49,7 +49,7 @@ dependencies {
 if (isEclipse) {
   // in eclipse the project is under a fake root, we need to change around the source sets
   sourceSets {
-    if (project.path == ":libs:elasticsearch-nio") {
+    if (project.path == ":libs:nio") {
       main.java.srcDirs = ['java']
       main.resources.srcDirs = ['resources']
     } else {
@@ -60,7 +60,7 @@ if (isEclipse) {
 }
 
 forbiddenApisMain {
-  // elasticsearch-nio does not depend on core, so only jdk signatures should be checked
+  // nio does not depend on core, so only jdk signatures should be checked
   // es-all is not checked as we connect and accept sockets
   signaturesURLs = [PrecommitTasks.getResource('/forbidden/jdk-signatures.txt')]
 }

libs/elasticsearch-nio/src/main/eclipse-build.gradle renamed to libs/nio/src/main/eclipse-build.gradle

@@ -1,3 +1,3 @@
 
-// this is just shell gradle file for eclipse to have separate projects for elasticsearch-nio src and tests
+// this is just shell gradle file for eclipse to have separate projects for nio src and tests
 apply from: '../../build.gradle'