[third_party] Avoid saving Robolectric shadow instances; instead, save the real framework object, and get its shadow when needed using Shadows.shadowOf(). Call Android framework methods directly on the framework object instead of its shadow whenever possible.

LSC: []
Additional details: []

Cleanup change automatically generated by javacflume/refactory
Refactoring: //third_party/java_src/robolectric/errorprone:ShadowUsageCheck

Tested:
    TAP --sample for global presubmit queue
    []

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=204784445