Replace chrome string util with android base ones

Replaces <base/stringutils.h> with <android-base/stringutils.h>
Replaces base::StringPrintf with android::base::StringPrintf

This change is very mechanical, no change in program behavior only
library functions are being replaced.

Test: th
Change-Id: Ie5797a27ea3cdd3ff537216dc39dffeac052565e
diff --git a/Android.bp b/Android.bp
index 89dea90..962a9a7 100644
--- a/Android.bp
+++ b/Android.bp
@@ -80,6 +80,9 @@
             cflags: [
                 "-DUSE_FEC=1",
             ],
+            shared_libs: [
+                "libbase",
+            ],
         },
         host: {
             cflags: [