pm: translate incoming user id for installation
pm: translate incoming user id for installation

Currently the pm install commands will not take virtual user id like
-2.  Adding this feature will make it easier to install packages in a
multi-user environment.

Bug: 19913735
Change-Id: I68b13cf8f2290158f0f4ec5c0966853719c2e80f

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base