Apply settings page transition

This change applies Shared X-Axis transition across settings pages. For
injected settings, the injected apps have to also apply the same
transition to take effect.

Fixes: 177479937
Test: robotests and navigate through settings pages
Change-Id: I6241860766f5969428faf9a5b3730a7614fdcd92

tests/robotests/src/com/android/settings/testutils/shadow/ShadowUtils.java

@@ -47,6 +47,7 @@ public class ShadowUtils {
     private static boolean sIsVoiceCapable;
     private static ArraySet<String> sResultLinks = new ArraySet<>();
     private static boolean sIsBatteryPresent;
+    private static boolean sIsPageTransitionEnabled;
 
     @Implementation
     protected static int enforceSameOwner(Context context, int userId) {
@@ -69,6 +70,7 @@ public class ShadowUtils {
         sIsVoiceCapable = false;
         sResultLinks = new ArraySet<>();
         sIsBatteryPresent = true;
+        sIsPageTransitionEnabled = true;
     }
 
     public static void setIsDemoUser(boolean isDemoUser) {
@@ -166,4 +168,13 @@ public class ShadowUtils {
     public static void setIsBatteryPresent(boolean isBatteryPresent) {
         sIsBatteryPresent = isBatteryPresent;
     }
+
+    @Implementation
+    protected static boolean isPageTransitionEnabled(Context context) {
+        return sIsPageTransitionEnabled;
+    }
+
+    public static void setIsPageTransitionEnabled(boolean isPageTransitionEnabled) {
+        sIsPageTransitionEnabled = isPageTransitionEnabled;
+    }
 }