Extract ASL in system APKs to new dir

ASL cannot be extracted from preloaded APKs to their code paths because
they reside on read only paritions. ASL files will, instead, be extracted
to /data/app-metadata/[packagename].

Bug: 336618214
Test: manual
Test: atest InstallAppMetadataTest
Change-Id: Ie2fcbc2bcba6d40ee88778a95cbd9e5ff36eaa82
2 files changed