Merge "cronet: Introduce constant for CronetJavaDefaultsEnabled srcs" am: c5fdba7f3f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2390558

Change-Id: I7cab634b3700450ddc2d4295624e2a5291ebb440
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>