Use robolectric-host-android_all for locally built runtime

I931f9145f1ced21a9f86d647cfbb6d2b645b4f18 made robolectric_android-all-stub
empty, breaking running robolectric tests packaged by Soong.
Use robolectric-host-android_all instead.

Test: m robolectric-tests
Change-Id: I65e1e3e9af673bba074e34bfa5c3cf9b2442c25b
1 file changed