Merge "libbase: support char parameter in StartsWith/EndsWith." am: bb3e479268 Change-Id: I12c8a53704d4d58a88bc3fc55bdd262dc4344872 Cr-Mirrored-From: https://chromium.googlesource.com/aosp/platform/system/core Cr-Mirrored-Commit: 5c716e36fe4afb4c3de3bfbf4762c51b81d496c2