Add ability to customize CLI path

Summary: Closes #13248

Differential Revision: D4861273

fbshipit-source-id: 420a9dde94e888baab226e3c0d8d20e6f1464ae5

Author: satya164

react.gradle

@@ -2,6 +2,7 @@ import org.apache.tools.ant.taskdefs.condition.Os
 
 def config = project.hasProperty("react") ? project.react : [];
 
+def cliPath = config.cliPath ?: "node_modules/react-native/local-cli/cli.js"
 def bundleAssetName = config.bundleAssetName ?: "index.android.bundle"
 def entryFile = config.entryFile ?: "index.android.js"
 
@@ -79,10 +80,10 @@ gradle.projectsEvaluated {
                 def devEnabled = !(config."devDisabledIn${targetName}"
                     || targetName.toLowerCase().contains("release"))
                 if (Os.isFamily(Os.FAMILY_WINDOWS)) {
-                    commandLine("cmd", "/c", *nodeExecutableAndArgs, "node_modules/react-native/local-cli/cli.js", "bundle", "--platform", "android", "--dev", "${devEnabled}",
+                    commandLine("cmd", "/c", *nodeExecutableAndArgs, cliPath, "bundle", "--platform", "android", "--dev", "${devEnabled}",
                             "--reset-cache", "--entry-file", entryFile, "--bundle-output", jsBundleFile, "--assets-dest", resourcesDir, *extraPackagerArgs)
                 } else {
-                    commandLine(*nodeExecutableAndArgs, "node_modules/react-native/local-cli/cli.js", "bundle", "--platform", "android", "--dev", "${devEnabled}",
+                    commandLine(*nodeExecutableAndArgs, cliPath, "bundle", "--platform", "android", "--dev", "${devEnabled}",
                             "--reset-cache", "--entry-file", entryFile, "--bundle-output", jsBundleFile, "--assets-dest", resourcesDir, *extraPackagerArgs)
                 }