Use shell stdin to install packages pre-S instead of writing files.

Test: atest NeneTest
Test: atest GtsDevicePolicyTestCases
Fixes: 202705721
Bug: 214155536
Bug: 210934735
Change-Id: I905775416c5338d3ed605ab780dbc6091164c8ec
(cherry picked from commit 498d9ef53a41faa0b970fc40cdfe0d593cd23f87)
Merged-In:I905775416c5338d3ed605ab780dbc6091164c8ec
2 files changed