The Android camera api requires a surface to be set in order work. In https://codereview.webrtc.org/1354683004/ this surfaceTexture was removed as a member but it turns out that can lead to camera freezes when the device is rotated. This cl re-adds the surface as a member. BUG= webrtc:5021, webrtc:5003 R=magjed@webrtc.org Review URL: https://codereview.webrtc.org/1349433003 . Cr-Commit-Position: refs/heads/master@{#9999}