Test tool type of 'adb shell input tap' events

When the events are injected with "adb shell input tap" command, they
should have a tool type that corresponds to the source of the event.

Ensure that the injected events have the correct tool type with this
test.

Bug: 148307381
Test: atest InputShellCommandTest
Change-Id: I34bbbe01ce1d06a1fb542b8bcee8fc6e219e0022
3 files changed