Revert "Move MediaProjection classes into more specific package"

Revert submission 24831451-b/238424895-move-media-projection-packages

Reason for revert: b/302094181

Reverted changes: /q/submissionid:24831451-b/238424895-move-media-projection-packages

Change-Id: Idb5e09e57b533d09d4e47e2f916a319da5993d63
16 files changed