1Exercise Dalvik-specific DEX file feature. Will not work on RI.
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3If these conditions are met:
4* When we are loading in a secondary dex file
5* and when dex2oat is not used
6* and the dex file is stored uncompressed in a ZIP file
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8Then check:
9* The dex file is memory-mapped file-backed as clean memory
10(i.e. there is no extraction step)
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