Merge "Add method to get string value." into main am: 37a49f2ac6 am: e4f9f5c93c

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3452201

Change-Id: I939a6cf7ff3dfc183c9f6ecb4a78d8813a2a6e3d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>