Android: Use apply() instead of commit() for SharedPreference changes.

apply() changes the in-memory instance of SharedPreferences and writes to the disk asynchronously, rather than synchronously, which commit() does. Since these are done on the UI thread, they should be asynchronous.

Source/Android/src/org/dolphinemu/dolphinemu/emulation/EmulationActivity.java

@@ -190,13 +190,13 @@ public final class EmulationActivity extends Activity
 				{
 					overlay.setVisibility(View.VISIBLE);
 					item.setTitle(R.string.disable_input_overlay);
-					sharedPrefs.edit().putBoolean("showInputOverlay", true).commit();
+					sharedPrefs.edit().putBoolean("showInputOverlay", true).apply();
 				}
 				else // Hide the overlay
 				{
 					overlay.setVisibility(View.INVISIBLE);
 					item.setTitle(R.string.enable_input_overlay);
-					sharedPrefs.edit().putBoolean("showInputOverlay", false).commit();
+					sharedPrefs.edit().putBoolean("showInputOverlay", false).apply();
 				}
 
 				return true;

Source/Android/src/org/dolphinemu/dolphinemu/settings/UserPreferences.java

@@ -96,7 +96,7 @@ public final class UserPreferences
 		editor.putBoolean("fastDepthCalculation",    getConfig("gfx_opengl.ini", "Settings", "FastDepthCalc", "True").equals("True"));
 
 		// Apply the changes.
-		editor.commit();
+		editor.apply();
 	}
 
 	// Small utility method that shortens calls to NativeLibrary.GetConfig.

Source/Android/src/org/dolphinemu/dolphinemu/settings/input/overlayconfig/OverlayConfigButton.java

@@ -156,7 +156,7 @@ public final class OverlayConfigButton extends Button implements OnTouchListener
 				SharedPreferences.Editor editor = sharedPrefs.edit();
 				editor.putFloat(buttonId+"-X", getX());
 				editor.putFloat(buttonId+"-Y", getY());
-				editor.commit();
+				editor.apply();
 				return true;
 			}
 		}

Source/Android/src/org/dolphinemu/dolphinemu/settings/video/VideoSettingsFragment.java

@@ -159,7 +159,7 @@ public final class VideoSettingsFragment extends PreferenceFragment
 									// Get an editor.
 									SharedPreferences.Editor editor = sPrefs.edit();
 									editor.putString("gpuPref", "Software Renderer");
-									editor.commit();
+									editor.apply();
 									videoBackends.setValue("Software Renderer");
 									videoBackends.setSummary("Software Renderer");
 								}