[Pwd change] Fix A11y: The automatic password change explanation might sound misleading

Bug: 1131026
Change-Id: I0d8e53c0d6fd8f8993ec320a68830c962aea53cc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2584877Reviewed-by: Friedrich [CET] <fhorschig@chromium.org>
Commit-Queue: Milica Selakovic <selakovic@google.com>
Cr-Commit-Position: refs/heads/master@{#836652}

chrome/browser/password_check/android/internal/java/res/layout/password_check_compromised_credential_with_script_item.xml

@@ -55,6 +55,7 @@
         <!-- TODO(crbug.com/1086114): Correct the style of the button and explanation text. -->
         <org.chromium.ui.widget.ButtonCompat
             android:id="@+id/credential_change_button_with_script"
+            android:contentDescription="@string/password_check_credential_row_script_button_explanation"
             android:layout_marginTop="@dimen/compromised_credential_row_button_margin_top"
             android:layout_height="wrap_content"
             android:layout_width="wrap_content"
@@ -67,6 +68,7 @@
 
          <TextView
             android:id="@+id/script_button_explanation"
+            android:importantForAccessibility="no"
             android:layout_marginTop="@dimen/compromised_credential_row_reason_margin_top"
             android:layout_height="wrap_content"
             android:layout_width="match_parent"