Added SPDX-license-identifier-Apache-2.0 to:
Android.bp
Bug: 68860345
Bug: 151177513
Bug: 151953481
Test: m all
Exempt-From-Owner-Approval: janitorial work
Change-Id: Ie3926e6294f2b95f9a2da02a653bfd61bb08af91
Add an Android build file and a stand-in PackageVersion.java needed to
build. Also add an OWNERS.
Test: build
Bug: 152747091
Change-Id: Ieb980ea6216ff12f1db7fcabb77e90472160fe77