[android] Migrate somes icons to svg

Signed-off-by: Jean-Baptiste Charron <jeanbaptiste.charron@outlook.fr>

android/app/src/main/res/drawable/ic_downloader_update.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12,6v1.79c0,0.45 0.54,0.67 0.85,0.35l2.79,-2.79c0.2,-0.2 0.2,-0.51 0,-0.71l-2.79,-2.79c-0.31,-0.31 -0.85,-0.09 -0.85,0.36L12,4c-4.42,0 -8,3.58 -8,8 0,1.04 0.2,2.04 0.57,2.95 0.27,0.67 1.13,0.85 1.64,0.34 0.27,-0.27 0.38,-0.68 0.23,-1.04C6.15,13.56 6,12.79 6,12c0,-3.31 2.69,-6 6,-6zM17.79,8.71c-0.27,0.27 -0.38,0.69 -0.23,1.04 0.28,0.7 0.44,1.46 0.44,2.25 0,3.31 -2.69,6 -6,6v-1.79c0,-0.45 -0.54,-0.67 -0.85,-0.35l-2.79,2.79c-0.2,0.2 -0.2,0.51 0,0.71l2.79,2.79c0.31,0.31 0.85,0.09 0.85,-0.35L12,20c4.42,0 8,-3.58 8,-8 0,-1.04 -0.2,-2.04 -0.57,-2.95 -0.27,-0.67 -1.13,-0.85 -1.64,-0.34z" />
+
+</vector>

android/app/src/main/res/drawable/ic_facebook.xml

@@ -0,0 +1,37 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="36"
+    android:viewportHeight="36">
+
+    <path android:pathData="M15,35.8C6.5,34.3 0,26.9 0,18 0,8.1 8.1,0 18,0s18,8.1 18,18c0,8.9 -6.5,16.3 -15,17.8l-1,-0.8h-4l-1,0.8z">
+
+        <aapt:attr name="android:fillColor">
+
+            <gradient
+                android:endX="18"
+                android:endY="0"
+                android:startX="18"
+                android:startY="34.754"
+                android:type="linear">
+
+                <item
+                    android:color="#FF0062E0"
+                    android:offset="0" />
+
+                <item
+                    android:color="#FF19AFFF"
+                    android:offset="1" />
+
+            </gradient>
+
+        </aapt:attr>
+
+    </path>
+
+    <path
+        android:fillColor="#FFF"
+        android:pathData="m25,23 l0.8,-5H21v-3.5c0,-1.4 0.5,-2.5 2.7,-2.5H26V7.4c-1.3,-0.2 -2.7,-0.4 -4,-0.4 -4.1,0 -7,2.5 -7,7v4h-4.5v5H15v12.7c1,0.2 2,0.3 3,0.3s2,-0.1 3,-0.3V23h4z" />
+
+</vector>