Enable hermes in GH example

Author: kmagiera

Example/android/app/build.gradle

@@ -66,6 +66,7 @@ import com.android.build.OutputFile
  */
 project.ext.react = [
     entryFile: "index.js",
+    enableHermes: true
 ]
 
 apply from: "../../node_modules/react-native/react.gradle"
@@ -105,7 +106,6 @@ android {
             reset()
             enable enableSeparateBuildPerCPUArchitecture
             universalApk false  // If true, also generate a universal APK
-            include "armeabi-v7a", "x86", "arm64-v8a", "x86_64"
         }
     }
     buildTypes {
@@ -127,6 +127,15 @@ android {
             }
         }
     }
+
+    packagingOptions {
+        pickFirst '**/armeabi-v7a/libc++_shared.so'
+        pickFirst '**/x86/libc++_shared.so'
+        pickFirst '**/arm64-v8a/libc++_shared.so'
+        pickFirst '**/x86_64/libc++_shared.so'
+        pickFirst '**/x86/libjsc.so'
+        pickFirst '**/armeabi-v7a/libjsc.so'
+    }
 }
 
 dependencies {
@@ -136,6 +145,10 @@ dependencies {
     implementation project(':react-native-gesture-handler')
     implementation fileTree(dir: "libs", include: ["*.jar"])
     implementation "com.facebook.react:react-native:+"  // From node_modules
+
+    def hermesPath = "../../node_modules/hermesvm/android/";
+    debugImplementation files(hermesPath + "hermes-debug.aar")
+    releaseImplementation files(hermesPath + "hermes-release.aar")
 }
 
 // Run this once to be able to run the application with BUCK