ANDROID: simplify vendor hooks for non-GKI builds

aosp inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I7YFU9

Reference: https://android.googlesource.com/kernel/common/+/943c3b3124d2



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Vendor hooks required explicitly defining macros or inline functions
to handle the non-GKI build case (!CONFIG_ANDROID_VENDOR_HOOKS). Added
support for generating them automatically so the macros are no longer
required.

Both models are now supported so we can transition.

Bug: 177416721
Signed-off-by: Todd Kjos <tkjos@google.com>
Change-Id: I01acc389d315a5d509b0c48116854342a42e1058
Signed-off-by: Yu Liao <liaoyu15@huawei.com>
(cherry picked from commit 58c3658c)