Include build.prop in robolectric jar.

Test: make robolectric-android-all
Bug: https://github.com/robolectric/robolectric/issues/3492
Bug: b/70808141
Merged-In: Ia7342ea154657b45356c82c5983f5e8a618c4845
Change-Id: Ia7342ea154657b45356c82c5983f5e8a618c4845
(cherry picked from commit f3b2594bef445a75bf7c6f3c3bccf97ac6714979)
1 file changed