Fix incorrect quotation symbol. am: d389c9ec6e am: 6af18cf841

Original change: https://android-review.googlesource.com/c/platform/external/kotlinx.serialization/+/3012873

Change-Id: I5108a7fa01034ccd95483c81e3891348d1f57cd5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>