TTS voice packs are better to be common for all devices So the other device configs can have the common TTS voice packs for the device build by "gs-common/device.mk" And see doc, Preload Google Text-to-Speech (TTS) Voice Packs: The voice packs are dowloanded follow the steps. Bug: 140145973 Test: build passed and manual test Change-Id: Ifed0ccecf598c1b09608b45494193524da3b9ed2