Enable uapi kernel headers for arm.

Bug: 11559337
Change-Id: Idd251338f707b7c6a08f43a79f9784c57142f43c
Merge "Enable uapi kernel headers for arm."
Revert "Enable uapi kernel headers for arm."

This reverts commit 88c6c533e17f7bc2e1491310b8d679a91b33aaeb.

Change-Id: I3cd84383c6f217bc6e627e16b2d0c7d948f8131d
Merge "Revert "Enable uapi kernel headers for arm.""
Merge branch 'master' of https://android.googlesource.com/platform/build into HEAD