Ensure proxy constructor is in dex cache
Ensure proxy constructor is in dex cache

Bug: 17262039

(cherry picked from commit ae94e350f100207359b8345d8d21e78e7cfb44c4)

Change-Id: I1cfc8dac1f63b9012fa098804135be8847b1daee

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst