Android: Take RTL layout into account for menu animations

Source/Android/app/src/main/res/animator-ldrtl/menu_slide_in_from_end.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <objectAnimator
+        android:propertyName="translationX"
+        android:valueType="floatType"
+        android:valueFrom="-1280dp"
+        android:valueTo="0"
+        android:interpolator="@android:interpolator/decelerate_quad"
+        android:duration="300"/>
+
+    <objectAnimator
+        android:propertyName="alpha"
+        android:valueType="floatType"
+        android:valueFrom="0"
+        android:valueTo="1"
+        android:interpolator="@android:interpolator/accelerate_quad"
+        android:duration="300"/>
+
+</set>

Source/Android/app/src/main/res/animator-ldrtl/menu_slide_in_from_start.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <objectAnimator
+        android:propertyName="translationX"
+        android:valueType="floatType"
+        android:valueFrom="1280dp"
+        android:valueTo="0"
+        android:interpolator="@android:interpolator/decelerate_quad"
+        android:duration="300"/>
+
+    <objectAnimator
+        android:propertyName="alpha"
+        android:valueType="floatType"
+        android:valueFrom="0"
+        android:valueTo="1"
+        android:interpolator="@android:interpolator/accelerate_quad"
+        android:duration="300"/>
+
+</set>

Source/Android/app/src/main/res/animator-ldrtl/menu_slide_out_to_end.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- This animation is used ONLY when a submenu is replaced. -->
+    <objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
+        android:propertyName="translationX"
+        android:valueType="floatType"
+        android:valueFrom="0"
+        android:valueTo="-1280dp"
+        android:interpolator="@android:interpolator/decelerate_quad"
+        android:duration="200"/>
+
+    <objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
+        android:propertyName="alpha"
+        android:valueType="floatType"
+        android:valueFrom="1"
+        android:valueTo="0"
+        android:interpolator="@android:interpolator/decelerate_quad"
+        android:duration="200"/>
+
+</set>

Source/Android/app/src/main/res/animator-ldrtl/menu_slide_out_to_start.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- This animation is used ONLY when a submenu is replaced. -->
+    <objectAnimator
+        android:propertyName="translationX"
+        android:valueType="floatType"
+        android:valueFrom="0"
+        android:valueTo="1280dp"
+        android:interpolator="@android:interpolator/decelerate_quad"
+        android:duration="200"/>
+
+    <objectAnimator
+        android:propertyName="alpha"
+        android:valueType="floatType"
+        android:valueFrom="1"
+        android:valueTo="0"
+        android:interpolator="@android:interpolator/decelerate_quad"
+        android:duration="200"/>
+
+</set>