Append null byte to exPath.

Note: Without this fix on Android Go device exPath gets some junk chars at the end of exPath because readlink() does not append a null byte to buf.

Bug: 79430762
Test: Tested manually by running alloc-stress on Android Go device.

Change-Id: I8e09d8c6d670b7d29e7f98c00dd8e9e9c5492169
1 file changed