Merge "Add method to read trunk stable flag" into main am: f74f42b4c0

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2756185

Change-Id: I94b4a1bbecbca7e9a3fd92f9eb98e3dc1d26b32b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>