Merge "ext4.h: add EXT4_FEATURE_COMPAT_STABLE_INODES" am: 87a15a5061

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2133445

Change-Id: Ia6794d9d13701fc13cfed08ab645bf406c25179f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>