[attempt 2] base: fix string_utils everywhere

Readd the out-of-line definition for C++11. Suppress warnings for
Windows

Change-Id: I3cf2cded454a901037086f5db8a8417878f80053
diff --git a/Android.bp b/Android.bp
index 16a1408..7b7a14e 100644
--- a/Android.bp
+++ b/Android.bp
@@ -7864,6 +7864,7 @@
         "src/base/status.cc",
         "src/base/string_splitter.cc",
         "src/base/string_utils.cc",
+        "src/base/string_view.cc",
         "src/base/subprocess.cc",
         "src/base/subprocess_posix.cc",
         "src/base/subprocess_windows.cc",