inline-ttl: some layout fine tuning

OpenKeychain/src/main/res/layout/encrypt_asymmetric_fragment.xml

@@ -91,6 +91,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:textAppearance="?android:attr/textAppearanceMedium"
+                android:textColor="@color/md_black_1000"
                 android:text="@string/label_asymmetric_from"
                 android:paddingRight="8dp"/>
 

OpenKeychain/src/main/res/layout/passphrase_dialog.xml

@@ -6,7 +6,6 @@
     android:layout_height="wrap_content"
     xmlns:tools="http://schemas.android.com/tools"
     android:paddingTop="16dp"
-    android:paddingBottom="16dp"
     android:paddingLeft="24dp"
     android:paddingRight="24dp"
     android:orientation="vertical"
@@ -41,10 +40,12 @@
             android:gravity="center_vertical"
             android:layout_margin="8dp">
 
+            <!-- paddingBottom for spinner alignment -->
             <TextView
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:text="@string/remember"
+                android:paddingBottom="1dp"
                 android:textAppearance="@android:style/TextAppearance.Medium" />
 
             <org.sufficientlysecure.keychain.ui.widget.CacheTTLSpinner