Add cache eviction policy and MT-safe.
Add shadow for MediaMetadataRetriever.
Merge pull request #828 from robolectric/xian/jar-cache-touchups

Add cache eviction policy and MT-safe.
Support AutoCompleteTextView filtering.
Add non-Android accessor for ShadowSurface.
Merge pull request #882 from erd/shadow-media-medatadata-retriever

Add shadow for MediaMetadataRetriever.
Merge pull request #884 from pivotal-odell/shadow-surface

Add non-Android accessor for ShadowSurface.
Merge pull request #883 from pivotal-odell/autocomplete-texview-filter

Support AutoCompleteTextView filtering.