Revert "Revert "Handle multiple isolated uid to host uid mapping""

This reverts commit c17711d32942c25139441bfc53e9e3268636af31.

Reason for revert: Original breakage fixed by ag/15755530

Change-Id: If39abd3b8df1fe7a6f8ad53cc087702a7b10ad73
Merged-In: I85d41126f382877b2d8e62cc8651f4bc41fd866f
7 files changed