Fix liblog#__security failure

Update pid and gid value after calling setuid()

Bug: 36480230
Test: cts-tradefed run cts -m CtsLiblogTestCases -t liblog#__security_buffer
Change-Id: I707f7c724d64236ec17f2d978c85883a7b4f180f
Merges-In: I707f7c724d64236ec17f2d978c85883a7b4f180f
1 file changed