libbpf_android/Loader - fixes performance-faster-string-find warning

Fixes:
  system/bpf/libbpf_android/Loader.cpp:557:49: warning: 'find_last_of' called with a string literal consisting of a single character; consider using the more effective overload accepting a character [performance-faster-string-find]
          name = name.substr(0, name.find_last_of("$"));
                                                  ^~~
                                                  '$'

Test: builds
Bug: 153035880
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Iea62a59380c155796a7fa2ac4ca3352f9236ba98
1 file changed
tree: af0222783b0186f8a1e462ae1509b8bf92184326
  1. bpfloader/
  2. libbpf_android/
  3. progs/
  4. Android.bp
  5. MODULE_LICENSE_APACHE2
  6. NOTICE
  7. OWNERS
  8. PREUPLOAD.cfg