Fixed text color issue with Android

Author: rmarquois

android/src/main/java/com/github/douglasjunior/reactNativePdfRenderer/modules/PdfRendererRecyclerView.java

@@ -440,7 +440,9 @@ public void update(int position, float newZoom) {
                 var page = mPdfRenderer.openPage(position);
                 var pageWidth = page.getWidth();
                 var pageHeight = page.getHeight();
+
                 var bitmap = createBitmap(newZoom, pageWidth, pageHeight);
+                bitmap.eraseColor(Color.WHITE); // fix text color issue with some pdf
 
                 page.render(bitmap, null, null, PdfRenderer.Page.RENDER_MODE_FOR_DISPLAY);