Xcode10 (#4795)

* Add -UseModernBuildSystem=NO for xcodebuild

* Add -UseModernBuildSystem to detox build

package.json

@@ -133,13 +133,13 @@
       },
       "ios.sim.debug": {
         "binaryPath": "playground/ios/DerivedData/playground/Build/Products/Debug-iphonesimulator/playground.app",
-        "build": "RCT_NO_LAUNCH_PACKAGER=true xcodebuild build -scheme playground -project playground/ios/playground.xcodeproj -sdk iphonesimulator -configuration Debug -derivedDataPath playground/ios/DerivedData/playground ONLY_ACTIVE_ARCH=YES -quiet",
+        "build": "RCT_NO_LAUNCH_PACKAGER=true xcodebuild build -scheme playground -project playground/ios/playground.xcodeproj -sdk iphonesimulator -configuration Debug -derivedDataPath playground/ios/DerivedData/playground ONLY_ACTIVE_ARCH=YES -quiet -UseModernBuildSystem=NO",
         "type": "ios.simulator",
         "name": "iPhone X"
       },
       "ios.sim.release": {
         "binaryPath": "playground/ios/DerivedData/playground/Build/Products/Release-iphonesimulator/playground.app",
-        "build": "RCT_NO_LAUNCH_PACKAGER=true xcodebuild build -scheme playground_release -project playground/ios/playground.xcodeproj -sdk iphonesimulator -configuration Release -derivedDataPath playground/ios/DerivedData/playground ONLY_ACTIVE_ARCH=YES -quiet",
+        "build": "RCT_NO_LAUNCH_PACKAGER=true xcodebuild build -scheme playground_release -project playground/ios/playground.xcodeproj -sdk iphonesimulator -configuration Release -derivedDataPath playground/ios/DerivedData/playground ONLY_ACTIVE_ARCH=YES -quiet -UseModernBuildSystem=NO",
         "type": "ios.simulator",
         "name": "iPhone X"
       },

scripts/test-unit.js

@@ -30,6 +30,7 @@ function runIosUnitTests() {
             -configuration ${conf}
             -derivedDataPath ./DerivedData/playground
             -quiet
+            -UseModernBuildSystem=NO
             ONLY_ACTIVE_ARCH=YES`);
 
   exec.execSync(`cd ./playground/ios &&