Use material icon for safeslinger

Graphics/get-material-icons.sh

@@ -9,6 +9,7 @@ python copy OpenKeychain navigation black expand_more 24
 python copy OpenKeychain navigation white refresh 24
 python copy OpenKeychain action white swap_vert 24
 python copy OpenKeychain action white swap_vert_circle 24
+python copy OpenKeychain action grey swap_vert 24
 python copy OpenKeychain editor white mode_edit 24
 
 # navigation drawer sections

Graphics/update-drawables.sh

@@ -39,7 +39,7 @@ SRC_DIR=./drawables/
 # xhdpi: 64x64
 # xxhdpi: 96x96
 
-for NAME in "ic_action_nfc" "ic_action_qr_code" "ic_action_safeslinger" "ic_action_search_cloud" "ic_cloud_search_24px" "ic_action_encrypt_file" "ic_action_encrypt_text" "ic_action_verified_cutout"
+for NAME in "ic_action_nfc" "ic_action_qr_code" "ic_action_search_cloud" "ic_cloud_search_24px" "ic_action_encrypt_file" "ic_action_encrypt_text" "ic_action_verified_cutout"
 do
 echo $NAME
 inkscape -w 32 -h 32 -e "$MDPI_DIR/$NAME.png" "$SRC_DIR/$NAME.svg"

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

@@ -58,7 +58,7 @@
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
             android:layout_gravity="center"
-            android:src="@drawable/ic_action_safeslinger"
+            android:src="@drawable/ic_swap_vert_grey_24dp"
             android:padding="12dp"
             style="@style/SelectableItem" />
 

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

@@ -69,7 +69,7 @@
                     android:layout_width="wrap_content"
                     android:layout_height="match_parent"
                     android:padding="8dp"
-                    android:src="@drawable/ic_action_safeslinger"
+                    android:src="@drawable/ic_swap_vert_grey_24dp"
                     android:layout_gravity="center_vertical" />
 
             </LinearLayout>

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

@@ -135,7 +135,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="match_parent"
                 android:padding="8dp"
-                android:src="@drawable/ic_action_safeslinger"
+                android:src="@drawable/ic_swap_vert_grey_24dp"
                 android:layout_gravity="center_vertical"
                 style="@style/SelectableItem" />