Android has already has a stop command used
to stop the main runtime and the alias
interferes with testing tools that expect
stop to kill the runtime.
Change-Id: I02b7efb9203dc39e97f63eb702a54ff79935b316
Both shells (ash from system/core/sh, and mksh) are built by
default but only the one where $(TARGET_SHELL) is set to is
actually installed (the shell and the mkshrc configuration
file are tagged shell_mksh for this to work).
Signed-off-by: Thorsten Glaser <tg@mirbsd.org>