[android] Fix font and font-size inheritance

Fixes remaining issues, em based units behave correctly now.

android/src/main/java/com/horcrux/svg/RenderableViewManager.java

@@ -334,6 +334,11 @@ class RenderableViewManager extends ViewGroupManager<VirtualView> {
         GroupViewManager() {
             super(SVGClass.RNSVGGroup);
         }
+
+        @ReactProp(name = "font")
+        public void setFont(GroupView node, @Nullable ReadableMap font) {
+            node.setFont(font);
+        }
     }
 
 
@@ -463,6 +468,11 @@ class RenderableViewManager extends ViewGroupManager<VirtualView> {
         public void setY(TextView node, Dynamic positionY) {
             node.setPositionY(positionY);
         }
+
+        @ReactProp(name = "font")
+        public void setFont(TextView node, @Nullable ReadableMap font) {
+            node.setFont(font);
+        }
     }
 
     static class TextPathViewManager extends RenderableViewManager {
@@ -499,6 +509,11 @@ class RenderableViewManager extends ViewGroupManager<VirtualView> {
         public void setSharp(TextPathView node, @Nullable String midLine) {
             node.setSharp(midLine);
         }
+
+        @ReactProp(name = "font")
+        public void setFont(TextView node, @Nullable ReadableMap font) {
+            node.setFont(font);
+        }
     }
 
     static class ImageViewManager extends RenderableViewManager {

android/src/main/java/com/horcrux/svg/TextView.java

@@ -128,12 +128,6 @@ class TextView extends GroupView {
         invalidate();
     }
 
-    @ReactProp(name = "font")
-    public void setFont(@Nullable ReadableMap font) {
-        mFont = font;
-        invalidate();
-    }
-
     @Override
     void draw(Canvas canvas, Paint paint, float opacity) {
         if (opacity > MIN_OPACITY_FOR_DRAW) {