Fix forgot password layout text alignment and change theme to show

correct text colour in night mode
Test: manual test
Fixes: b/206761685

Change-Id: Idccf40357a6b5f33ece89bc2772fa6ca51e4596a

AndroidManifest.xml

@@ -2313,7 +2313,7 @@
             android:theme="@style/GlifTheme.Light"/>
 
         <activity android:name=".password.ForgotPasswordActivity"
-            android:theme="@style/GlifV3Theme.Light"
+            android:theme="@style/GlifV3Theme.DayNight"
             android:exported="false"/>
 
         <activity android:name=".biometrics.face.FaceEnrollParentalConsent"

res/layout/forgot_password_activity.xml

@@ -35,7 +35,6 @@
             android:id="@+id/forgot_password_text"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:gravity="center"
             android:text="@string/forgot_password_text" />
     </LinearLayout>
 </com.google.android.setupdesign.GlifLayout>

src/com/android/settings/password/ForgotPasswordActivity.java

@@ -33,6 +33,8 @@ import com.android.settings.R;
 import com.google.android.setupcompat.template.FooterBarMixin;
 import com.google.android.setupcompat.template.FooterButton;
 import com.google.android.setupdesign.GlifLayout;
+import com.google.android.setupdesign.util.ContentStyler;
+import com.google.android.setupdesign.util.ThemeHelper;
 
 /**
  * An activity that asks the user to contact their admin to get assistance with forgotten password.
@@ -65,6 +67,11 @@ public class ForgotPasswordActivity extends Activity {
                         .build()
         );
 
+        if (ThemeHelper.shouldApplyMaterialYouStyle(this)) {
+            ContentStyler.applyBodyPartnerCustomizationStyle(
+                    layout.findViewById(R.id.forgot_password_text));
+        }
+
         layout.setHeaderText(devicePolicyManager.getResources().getString(
                 FORGOT_PASSWORD_TITLE, () -> getString(R.string.forgot_password_title)));