Bug 1815951 - Increase the size of text fields in Edit login

Now they have the minimum height recommended by a11y best practices - 48dp.

app/src/main/res/layout/fragment_edit_login.xml

@@ -40,7 +40,6 @@
         android:focusable="false"
         android:background="@android:color/transparent"
         android:textColor="?attr/textPrimary"
-        android:layout_marginTop="12dp"
         android:layout_marginStart="3dp"
         android:contentDescription="@string/saved_login_hostname_description"
         app:backgroundTint="@android:color/transparent"
@@ -53,6 +52,8 @@
             android:id="@+id/hostnameText"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:paddingTop="12dp"
+            android:paddingBottom="14dp"
             android:textSize="16sp"
             android:fontFamily="sans-serif"
             android:textStyle="normal"
@@ -80,7 +81,7 @@
         android:gravity="center_vertical"
         android:paddingStart="3dp"
         android:paddingEnd="0dp"
-        android:layout_marginTop="20dp"
+        android:layout_marginTop="6dp"
         android:text="@string/preferences_passwords_saved_logins_username"
         android:textColor="?attr/textPrimary"
         android:letterSpacing="0.05"
@@ -108,6 +109,7 @@
             android:id="@+id/usernameText"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:minHeight="@dimen/accessibility_min_height"
             android:textSize="16sp"
             android:fontFamily="sans-serif"
             android:textStyle="normal"
@@ -152,7 +154,7 @@
         android:paddingEnd="0dp"
         android:text="@string/preferences_passwords_saved_logins_password"
         android:textColor="?attr/textPrimary"
-        android:layout_marginTop="10dp"
+        android:layout_marginTop="5dp"
         android:letterSpacing="0.05"
         app:layout_constraintBottom_toTopOf="@id/inputLayoutPassword"
         app:layout_constraintEnd_toStartOf="@id/revealPasswordButton"
@@ -179,6 +181,7 @@
             android:id="@+id/passwordText"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:minHeight="@dimen/accessibility_min_height"
             android:clickable="true"
             android:colorControlActivated="?attr/textPrimary"
             android:colorControlHighlight="?attr/textPrimary"