tree dc61a7fd80e1289777f6a991102b0fe4a2ef032d
parent 99fd9f39f2cd74864bdc750a3444ddd776da534c
author David Sehr <sehr@google.com> 1471400577 -0700
committer David Sehr <sehr@google.com> 1472574769 -0700

Save environment snapshot and use at fork/exec

Some applications may inadvertently or maliciously set of environment
variables such as LD_LIBRARY_PATH before spawning subprocesses.
To make this more difficult, save the environment at the time the
runtime starts and use the saved copy anytime Exec is called.

BUG: 30160149
TEST: make test-art-{host,target}

Change-Id: I887b78bdb21ab20855636a96da14a74c767bbfef