ART: Additional info for run-test --dev --host

Adds environment variables required to reproduce a test execution on
host in dev mode.

Test: art/test/run-test --host --dev 956
Change-Id: If8560a0f4ba5efe5f8c4eb63ce3cc2033e7fb5b2
diff --git a/test/etc/run-test-jar b/test/etc/run-test-jar
index e9127a8..c527754 100755
--- a/test/etc/run-test-jar
+++ b/test/etc/run-test-jar
@@ -963,6 +963,9 @@
     fi
 
     if [ "$DEV_MODE" = "y" ]; then
+      for var in ANDROID_PRINTF_LOG ANDROID_DATA ANDROID_ROOT LD_LIBRARY_PATH DYLD_LIBRARY_PATH PATH LD_USE_LOAD_BIAS; do
+        echo EXPORT $var=${!var}
+      done
       echo "mkdir -p ${mkdir_locations} && $profman_cmdline && $dex2oat_cmdline && $dm_cmdline && $vdex_cmdline && $strip_cmdline && $sync_cmdline && $cmdline"
     fi