Fix drawable caching

[FirstSpectr]

Fix for this issue:
`

<com.addisonelliott.segmentedbutton.SegmentedButton
    android:layout_width="0dp"
    android:layout_height="40dp"
    android:layout_weight="1"
    app:drawable="@drawable/some_white_icon"
    app:selectedDrawableTint="#F00" />

<ImageView
    android:id="@+id/iv1"
    android:layout_width="0dp"
    android:layout_height="40dp"
    android:layout_weight="1"
    android:src="@drawable/some_white_icon" />

` Now our ImageView drawable have red tint