Fix indent of .gradle files

Summary:
In most .gradle files, lines are indented with 4 spaces, but in some places they are indented with 2 spaces. This PR fixes them and enforce it by adding .editorconfig settings.
Closes facebook#10267

Differential Revision: D4048335

Pulled By: lacker

fbshipit-source-id: df2f2556380f56672cf85690eb1c80e640a6aedf

Author: kt3k

.editorconfig

@@ -9,3 +9,6 @@ end_of_line = lf
 insert_final_newline = true
 indent_style = space
 indent_size = 2
+
+[*.gradle]
+indent_size = 4

ReactAndroid/build.gradle

@@ -214,8 +214,8 @@ task packageReactNdkLibs(dependsOn: buildReactNdkLib, type: Copy) {
 }
 
 task packageReactNdkLibsForBuck(dependsOn: packageReactNdkLibs, type: Copy) {
-  from "$buildDir/react-ndk/exported"
-  into "src/main/jni/prebuilt/lib"
+    from "$buildDir/react-ndk/exported"
+    into "src/main/jni/prebuilt/lib"
 }
 
 android {
@@ -243,9 +243,9 @@ android {
         jniLibs.srcDir "$buildDir/react-ndk/exported"
         res.srcDirs = ['src/main/res/devsupport', 'src/main/res/shell', 'src/main/res/views/modal']
         java {
-          srcDirs = ['src/main/java', 'src/main/libraries/soloader/java', 'src/main/jni/first-party/fb/jni/java']
-          exclude 'com/facebook/react/processing'
-          exclude 'com/facebook/react/module/processing'
+            srcDirs = ['src/main/java', 'src/main/libraries/soloader/java', 'src/main/jni/first-party/fb/jni/java']
+            exclude 'com/facebook/react/processing'
+            exclude 'com/facebook/react/module/processing'
         }
     }
 

local-cli/generator-android/templates/src/app/build.gradle

@@ -134,6 +134,6 @@ dependencies {
 // Run this once to be able to run the application with BUCK
 // puts all compile dependencies into folder libs for BUCK to use
 task copyDownloadableDepsToLibs(type: Copy) {
-  from configurations.compile
-  into 'libs'
+    from configurations.compile
+    into 'libs'
 }