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ION protects the heap when the first secure allocation is done while unprotecting when the last secure allocation is freed. In addition ION provides a separate API for protecting and unprotecting a heap allowing users to better time the protection of a heap. The protection/unprotection done during first allocation and last free is not needed anymore. Clients need better control and thus use the separate API. Remove protection of heap that is occuring when the first secure allocation is done. Remove unprotecting of the heap when the last secure allocation is freed. Change-Id: I80254c3a79399cd4900a389dcb535d843d6dfa80 Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>