[PwdCheckAndroid] Make the edit layout a ScrollView

This ensures that the entire view is scrolled when the keyboard starts
overlapping with the contents.

Bug: 1133221
Change-Id: Id826c7ea25a25d4424aed75f51389b4ae8d9b362
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2440498Reviewed-by: Friedrich [CET] <fhorschig@chromium.org>
Commit-Queue: Ioana Pandele <ioanap@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812600}

chrome/browser/password_check/android/java/res/layout/password_check_edit_fragment.xml

@@ -4,10 +4,9 @@
      found in the LICENSE file. -->
 
 <!-- Layout for a preference with a title and a compound drawable above. -->
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:paddingStart="@dimen/password_entry_editor_content_spacing"
@@ -15,6 +14,11 @@
     android:paddingLeft="@dimen/password_entry_editor_content_spacing"
     android:paddingRight="@dimen/password_entry_editor_content_spacing">
 
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
         <!-- Site -->
         <com.google.android.material.textfield.TextInputLayout
             android:id="@+id/site_label"
@@ -102,7 +106,6 @@
                 app:srcCompat="@drawable/ic_visibility_off_black"
                 app:tint="@color/default_icon_color_tint_list"
                 style="?android:attr/buttonStyleSmall"/>
-
         </LinearLayout>
 
         <TextView
@@ -111,5 +114,5 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:textAppearance="@style/TextAppearance.TextSmall.Secondary"/>
-
-</LinearLayout>
+    </LinearLayout>
+</ScrollView>
\ No newline at end of file