cm: Update URL pointing to cm-build-targets

 * Seems like GitHub changed the URL for raw content

Change-Id: I37142e93ec0b998f5ebb4cab9ae29293e444cd73
build: telephony: Only include VoiceDialer in telephony builds

For WiFi only devices, they don't want this by default.

Change-Id: I4d07ab25d971f8a50beb84e2fd5f6d0bf1aeb8fe