Delete com.android.cronet from base_system

No concrete plan to ship Cronet for now

Bug: 188872256
Test: TH
Merged-In: I86f659de4a956a3186f21a5333781b92b71e7c17
Change-Id: Ic3deabca3794d1541668b45e8e63d99a7345adfd

target/product/base_system.mk

@@ -52,7 +52,6 @@ PRODUCT_PACKAGES += \
     com.android.adbd \
     com.android.appsearch \
     com.android.conscrypt \
-    com.android.cronet \
     com.android.extservices \
     com.android.geotz \
     com.android.i18n \