Merge "Bump the platform default up to C17." am: 1b2a6578

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2626336



Change-Id: Iab415f33b90235c625dac3f2fd97bd94ea91b65b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>