Merge "Revert "libutils: Introduce StaticString16"" am: d0e02d58d9 am: 2d26a252c4 am: 34a89e88e4 am: 7b1ac1889e
am: d94440e480

Change-Id: I2bf7e2e7f7167843995099aafdf5460c9ad1ab32