CB-10618 Handle gradle frameworks on plugin installation/uninstallation

This closes #259

bin/lib/create.js

@@ -126,8 +126,8 @@ function writeProjectProperties(projectPath, target_api) {
 }
 
 function prepBuildFiles(projectPath) {
-    var buildModule = require(path.join(path.resolve(projectPath), 'cordova', 'lib', 'build'));
-    buildModule.prepBuildFiles();
+    var buildModule = require(path.resolve(projectPath, 'cordova/lib/builders/builders'));
+    buildModule.getBuilder('gradle').prepBuildFiles();
 }
 
 function copyBuildRules(projectPath) {

bin/templates/cordova/Api.js

@@ -219,6 +219,11 @@ Api.prototype.addPlugin = function (plugin, installOptions) {
             .add_plugin_changes(plugin, installOptions.variables, /*is_top_level=*/true, /*should_increment=*/true)
             .save_all();
 
+        if (plugin.getFrameworks(self.platform).length > 0) {
+            self.events.emit('verbose', 'Updating build files since android plugin contained <framework>');
+            require('./lib/builders/builders').getBuilder('gradle').prepBuildFiles();
+        }
+
         var targetDir = installOptions.usePlatformWww ?
             self.locations.platformWww :
             self.locations.www;
@@ -272,6 +277,11 @@ Api.prototype.removePlugin = function (plugin, uninstallOptions) {
             .remove_plugin_changes(plugin, /*is_top_level=*/true)
             .save_all();
 
+        if (plugin.getFrameworks(self.platform).length > 0) {
+            self.events.emit('verbose', 'Updating build files since android plugin contained <framework>');
+            require('./lib/builders/builders').getBuilder('gradle').prepBuildFiles();
+        }
+
         var targetDir = uninstallOptions.usePlatformWww ?
             self.locations.platformWww :
             self.locations.www;

bin/templates/cordova/lib/build.js

@@ -169,11 +169,6 @@ module.exports.run = function(options, optResolvedTarget) {
     });
 };
 
-// Called by plugman after installing plugins, and by create script after creating project.
-module.exports.prepBuildFiles = function() {
-    return builders.getBuilder('gradle').prepBuildFiles();
-};
-
 /*
  * Detects the architecture of a device/emulator
  * Returns "arm" or "x86".