add prebuilt CallVolume.apk to vendor/motorola/edison

Change-Id: I8c62544466d746f46b8a0aafe6cf97b309f3292f
Revert "add prebuilt CallVolume.apk to vendor/motorola/edison"

This reverts commit 109b471cc754b80debb1d8d5ae63a0ba3361fcec.

Change-Id: I28981c173b93f44606f298bd69780324f02637ea
rename CallVolume as CallVolService

Change-Id: I904ffeef6e2687d9ec0ee486f4710f9c9823bdf2