try fix Android E2E tests

Author: Saadnajmi

android/src/main/AndroidManifest.xml

@@ -1,3 +1,3 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.reactcommunity.rndatetimepicker">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
   <application />
 </manifest>

example/android/build.gradle

@@ -37,7 +37,40 @@ allprojects {
                 throw new GradleException("Could not find `react-native`");
             }())
         }
+        maven {
+             // All of Detox' artifacts are provided via the npm module
+             url "$rootDir/../../node_modules/detox/Detox-android"
+         }
         mavenCentral()
         google()
     }
+    afterEvaluate { project ->
+        def androidExtension = project.extensions.findByName('android')
+        if (androidExtension != null && project.name == 'app') {
+            androidExtension.defaultConfig {
+                ndk {
+                    abiFilters 'arm64-v8a', 'x86', 'x86_64'
+                }
+            }
+
+            androidExtension.signingConfigs {
+                test {
+                    keyAlias "androiddebugkey"
+                    keyPassword "android"
+                    storeFile file("debug.keystore")
+                    storePassword "android"
+                }
+            }
+
+            androidExtension.buildTypes.debug.signingConfig = androidExtension.signingConfigs.test
+            androidExtension.buildTypes.release.signingConfig = androidExtension.signingConfigs.test
+            androidExtension.testBuildType = System.getProperty('testBuildType', 'debug')
+
+            androidExtension.sourceSets.androidTest.java.srcDirs += "$rootDir/app/src/androidTest/java"
+
+            project.dependencies {
+                androidTestImplementation('com.wix:detox:+')
+            }
+        }
+    }
 }

example/android/debug.keystore

@@ -1,10 +1,20 @@
 {
+  "$schema": "https://raw.githubusercontent.com/microsoft/react-native-test-app/trunk/schema.json",
   "name": "date-time-picker-example",
   "displayName": "date-time-picker-example",
+  "singleApp": "date-time-picker-example",
+  "android": {
+    "package": "com.datetimepickerexample"
+  },
+  "ios": {
+    "bundleIdentifier": "com.datetimepickerexample",
+    "developmentTeam": ""
+  },
   "components": [
     {
       "appKey": "date-time-picker-example",
-      "displayName": "date-time-picker-example"
+      "displayName": "date-time-picker-example",
+      "slug": "date-time-picker-example"
     }
   ],
   "resources": {