Convert Activity and WindowManager Tests to Device Side

The proto-full library used the the existing hostsidetests
is not available to device side test APKs.
This new module uses proto-nano which is available to
device side test APKs.

Bug: 64807080
Test: cts-tradefed run commandAndExit cts-dev --module CtsWindowManagerDeviceTestCases
Test: cts-tradefed run commandAndExit cts-dev --module CtsServicesDeviceTestCases

Change-Id: I85c63b545d07a053aa7e5fa551681d0e170786eb