Android: Don't let RetroAchievements override onPause

When Android sends Dolphin to the background, emulation *must* pause,
otherwise emulation continues running and continues outputting audio to
the user. RetroAchievements mustn't be allowed to override it.

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/NativeLibrary.java

@@ -362,7 +362,7 @@ public final class NativeLibrary
   /**
    * Pauses emulation.
    */
-  public static native void PauseEmulation();
+  public static native void PauseEmulation(boolean overrideAchievementRestrictions);
 
   /**
    * Stops emulation.

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/EmulationActivity.kt

@@ -455,7 +455,7 @@ class EmulationActivity : AppCompatActivity(), ThemeProvider {
             MENU_ACTION_REFRESH_WIIMOTES -> NativeLibrary.RefreshWiimotes()
             MENU_ACTION_PAUSE_EMULATION -> {
                 hasUserPausedEmulation = true
-                NativeLibrary.PauseEmulation()
+                NativeLibrary.PauseEmulation(false)
             }
 
             MENU_ACTION_UNPAUSE_EMULATION -> {

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/EmulationFragment.kt

@@ -109,7 +109,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
     override fun onPause() {
         if (NativeLibrary.IsRunningAndUnpaused() && !NativeLibrary.IsShowingAlertMessage()) {
             Log.debug("[EmulationFragment] Pausing emulation.")
-            NativeLibrary.PauseEmulation()
+            NativeLibrary.PauseEmulation(true)
         }
         super.onPause()
     }

Source/Android/jni/MainAndroid.cpp

@@ -271,10 +271,12 @@ JNIEXPORT void JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_UnPauseEmula
   Core::SetState(Core::System::GetInstance(), Core::State::Running);
 }
 
-JNIEXPORT void JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_PauseEmulation(JNIEnv*, jclass)
+JNIEXPORT void JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_PauseEmulation(
+    JNIEnv*, jclass, bool override_achievement_restrictions)
 {
   HostThreadLock guard;
-  Core::SetState(Core::System::GetInstance(), Core::State::Paused);
+  Core::SetState(Core::System::GetInstance(), Core::State::Paused, true,
+                 override_achievement_restrictions);
 }
 
 JNIEXPORT void JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_StopEmulation(JNIEnv*, jclass)