Android: look for OTF files as well as TTF and TTC.

core/src/fxge/android/fpf_skiafontmgr.cpp

Index: core/src/fxge/android/fpf_skiafontmgr.cpp
diff --git a/core/src/fxge/android/fpf_skiafontmgr.cpp b/core/src/fxge/android/fpf_skiafontmgr.cpp
index a263416521b9bc2301c541b18cef16d5a03da61d..f74d9ea2b7557f4b208b5d5161f34597ad90faa4 100644
--- a/core/src/fxge/android/fpf_skiafontmgr.cpp
+++ b/core/src/fxge/android/fpf_skiafontmgr.cpp
@@ -422,7 +422,8 @@ void CFPF_SkiaFontMgr::ScanPath(const CFX_ByteStringC& path) {
     } else {
       CFX_ByteString ext = filename.Right(4);
       ext.MakeLower();
-      if (ext != FX_BSTRC(".ttf") && ext != FX_BSTRC(".ttc")) {
+      if (ext != FX_BSTRC(".ttf") && ext != FX_BSTRC(".ttc") &&
+          ext != FX_BSTRC(".otf")) {
         continue;
       }
     }