libbpf_android/Loader.cpp - fixes performance-inefficient-string-concatenation warning am: c65b351176

Change-Id: I64fbb750dbe41ba8a7a74933f8dc6a58680e6b65
tree: 3467e09d2c688c1c7bd6f2659b385e55cd0aed2d
  1. bpfloader/
  2. libbpf_android/
  3. progs/
  4. Android.bp
  5. MODULE_LICENSE_APACHE2
  6. NOTICE
  7. OWNERS
  8. PREUPLOAD.cfg