Support PickerView height customization both for IOS and android#361

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winfredxu wants to merge 3 commits intobeefe:masterfrom winfredxu:master

+89-2

Commits on Jan 24, 2019

Support PickerView height customization, directly set height for ios and set items visible for android.
winfredxu
committed
add android iml file.
winfredxu
committed

Commits on Jan 25, 2019

Fix the issue for IOS set height for picker view

Yike
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Yike
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