b=200236 Change Master password dialog OK button disabled with matching passwords

r=javi sr=alecf

security/manager/pki/resources/content/changepassword.xul

@@ -78,11 +78,11 @@
    <row>
      <label value="&setPassword.newPassword.label;"/> 
      <textbox id="pw1" type="password" 
-       onkeypress="setPasswordStrength(); checkPasswords();"/> 
+       oninput="setPasswordStrength(); checkPasswords();"/> 
    </row>
    <row>
      <label value="&setPassword.reenterPassword.label;"/> 
-     <textbox id="pw2" type="password" onkeypress="checkPasswords();"/>  
+     <textbox id="pw2" type="password" oninput="checkPasswords();"/>  
    </row>
  </rows>
 </grid>

security/manager/pki/resources/content/setp12password.xul

@@ -45,12 +45,12 @@
         <row>
           <label value="&pkcs12.setpassword.label1;"/> 
           <textbox id="pw1" type="password" 
-                   onkeypress="setPasswordStrength(); checkPasswords();"/> 
+                   oninput="setPasswordStrength(); checkPasswords();"/> 
         </row>
         <row>
           <label value="&pkcs12.setpassword.label2;"/> 
           <textbox id="pw2" type="password" 
-                   onkeypress="checkPasswords();"/>  
+                   oninput="checkPasswords();"/>  
         </row>
       </rows>
     </grid>