Revert "Keep InCallUI in memory (3/3)"

This reverts commit d7fa8dfc7793681488dda4c42721ebe0f84202f6.
Keep InCallUI in memory (3/3)

Build the dummy InCallUI apk

Change-Id: Idfb7fa760eacc8d6e46d50ce682fb06c0acfc8f4