Revert "[1/2] Camera2: Rename package to aospcamera2"

This reverts commit 4b2f08dd3e7b9aee8260149c7476a755f86fb5ea.

Change-Id: I3c930e78130c381f2e5e3a027e2240b3d66455e3
Merge "Revert "[1/2] Camera2: Rename package to aospcamera2"" into du44