Add Google Dialer and Enable PARIS in PDK ROM

Use the environment variable USES_GOOGLE_DIALER_PARIS to decide to
replace AOSP Dialer by Google Dialer and enable PARIS.
The variable should be set in PDK release ROM and User could set it
locally as you want the AOSP build with them.

Bug: 187242540
Test: Loacal build. Google Dialer and Paris work

Change-Id: Ib823f5447db5fd593b9044c8cdb766165ce6cedf
diff --git a/device.mk b/device.mk
index dc5f1ea..55c1f36 100644
--- a/device.mk
+++ b/device.mk
@@ -124,6 +124,11 @@
 # Use for GRIL
 USES_LASSEN_MODEM := true
 
+ifeq ($(USES_GOOGLE_DIALER_PARIS),true)
+USE_GOOGLE_DIALER := true
+USE_GOOGLE_PARIS := true
+endif
+
 ifeq (,$(filter aosp_%,$(TARGET_PRODUCT)))
 # Audio client implementation for RIL
 USES_GAUDIO := true