Fix openDexFileNative to throw pending exception when it fails.
Fix openDexFileNative to throw pending exception when it fails.

Bug: 11391006
Change-Id: I2331d73a2ab8f70d46b1afb2649550c296e7393a

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