[weex][android] fix the custom file ttf not work well, need replace u…

…ri.getPath() with (#1964)

like the doc said : with url('file://storage/emulated/0/A/B/**.ttf to custom font by file path, but the result of path format that will like emulated/0/A/B/**.ttf ,rather than storage/emulated/0/A/B/**.ttf which will cause File Not Found Exception. Because getPath format schema storage as authority , as you can see [scheme:][//authority][path][?query][#fragment]

android/sdk/src/main/java/com/taobao/weex/utils/FontDO.java

@@ -97,7 +97,12 @@ private void parseSrc(String src, WXSDKInstance instance) {
           mType = TYPE_NETWORK;
         } else if (Constants.Scheme.FILE.equals(scheme)) {
           mType = TYPE_FILE;
-          mUrl = uri.getPath();
+            /**
+             * eg: file://name/A/B.ttf
+             * getPath() = "A/B.ttf",but the real absolute path is "/name/A/B.ttf"
+             * so use getEncodedSchemeSpecificPart() to replaced = "//name/A/B.ttf"
+             */
+            mUrl = uri.getEncodedSchemeSpecificPart();
         } else if (Constants.Scheme.LOCAL.equals(scheme)){
           mType = TYPE_LOCAL;
         } else if (Constants.Scheme.DATA.equals(scheme)) {