tree 71203e865de75cfc33787173d930e6c9a3d21471
parent 7fc42cd2846c726ac02cd67817255337cbfa1454
author Nicholas Sauer <nicksauer@google.com> 1414705306 -0700
committer Nicholas Sauer <nicksauer@google.com> 1414789101 +0000

Build and install the list of preqreqs by ABI.

Fix a bug where a test could be invoked with the incorrect prereqs.

Instead:
-prereqs are installed (and overwritten if needed) before
every test package invocation.
-as long as the abi doesn't change between test package invocations,
prereqs are not re-installed
-prereqs are only uninstalled after all tests are finished

bug:18176495
Change-Id: Ie19f6294d10b0c3484ef403c19f049eb71b6f050