Typo errors fixed

[RealWorldEdits376W]

In the first paragraph, the Android FillableLoaders, section, "providing" must be written as "provide". The line "Android Open Source library providing an interesting fillable progress view working with SVG paths." must be written as: "Android Open Source library provides an interesting fillable progress view working with SVG paths.

In the "How to" section, under the third program diagram, the line is written as "Or if you rather you can do it by code using the FillableLoaderBuilder class." This line should be written as, " Or if you, rather, you can do it by code using the FillableLoaderBuilder class. Thank you.