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When a camera is removed, |hidlMetadata| takes over ownership of |metadata|. Therefore, we should not free |metadata| again. Bug: 180014486 Test: Remove an external camera, and no crashes were observed. Change-Id: I85246067f8753911cbcb58af24a46f12962226f3 (cherry picked from commit f36a439e3a97315a9f0a8661ea77aff61fb79c82)
Camera HALs
Overview:
The camera.* HAL tree is used by the Android camera service to discover and operate camera devices available on the device.
More details and versioning information can be found within each particular HAL.
More complete information about the Android camera HAL and subsystem can be found at source.android.com.