Adds atomic install support to adb

This change adds an install-atomic command to adb that is shorthand for
creating an atomic install session and an individual session for each
APK supplied to the command.

Bug: 109941548
Test: run command with multiple APKs, observe atomic install
Change-Id: I2817a1ed2d312925d9c7bd621e6c82670a6275fd
3 files changed