AOSP: Add e2fsprogs-defaults cc_defaults

This is the result of two commits:

AOSP: Use -Werror in external/e2fsprogs
AOSP: Revert "Use -Werror in external/e2fsprogs"

... where the second wasn't quite an exact revert of the first.
Sigh.

Change-Id: I3842bd72cdb24ca51a0a42685a33a0ce082f9c77
From AOSP commit: 2002d7f1fca44300198d7eee8503e015e4d4682e

Change-Id: I16e52d4088c5b85dd23de519cb5af8aefeef85e6
From AOSP commit: ec02acfd8576df4bd0779c9f88f32e02355c5d2c
1 file changed