Revert "Move BasicShellCommandHandler to frameworks/lib/modules-..."

Revert "Update import path of BasicShellCommandHandler"

Revert "Update path for BasicShellCommandHandler"

Revert "Update path for BasicShellCommandHandler"

Revert "Update rule for BasicShellCommandHandler"

Revert submission 12975279-move_BSCH

Reason for revert: b/173120275
Reverted Changes:
Ib750f4774:Move BasicShellCommandHandler
I43c0dc327:Update import path of BasicShellCommandHandler
I73d58c07c:Update path for BasicShellCommandHandler
I21f103949:Update path for BasicShellCommandHandler
I8a2873df6:Move BasicShellCommandHandler to frameworks/lib/mo...
I91df774a3:Update rule for BasicShellCommandHandler

Exempt-From-Owner-Approval: to fix b/173120275

Change-Id: Iaa44f9aa4c1621f331275dc76ecb7505100fe9c5