Commit f9feab9a authored by Sol Boucher's avatar Sol Boucher Committed by Solomon Boucher
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camera2-portability: Provide preview transformation matrix 

Applying this transform to the Surface on which the stream is displayed results
in a correctly rotated image. For API 1, the rotation is actually performed by
the Camera class and the returned matrix is an identity matrix; however, for API
2, the transformation is responsible for proper orientation.

Bug: 16875535
Change-Id: I044ffbd1095bd1a9792c899b792129cc94c7c916
parent 47497bee
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