LauncherApps: Scrub sensitive URIs in install sessions

LauncherApps.getAllPackageInstallerSessions() incorrectly exposed potentially sensitive originatingUri and referrerUri from package install sessions to any application with package visibility to the session owner.

Bug: 498588487
Test: m FrameworksMockingServicesTests
Flag: EXEMPT BUGFIX
(cherry picked from commit bbeee4f37c25a393d9f217cbfdc3c443e9153fa2)
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:0b8be6c1a258a20aaad18c5a41dd49fd34666a59
Merged-In: Ie51d7366edebf3c120e33f1157b70cb510c684cb
Change-Id: Ie51d7366edebf3c120e33f1157b70cb510c684cb
3 files changed