Merge "Fix <android-base/*.h> header guards."

base/include/android-base/errors.h

base/include/android-base/file.h

base/include/android-base/logging.h

base/include/android-base/macros.h

base/include/android-base/memory.h

base/include/android-base/parseint.h

base/include/android-base/parsenetaddress.h

base/include/android-base/stringprintf.h

base/include/android-base/strings.h

base/include/android-base/test_utils.h

base/include/android-base/thread_annotations.h

base/include/android-base/unique_fd.h

base/include/android-base/utf8.h