Bug 915312 - TO BE FOLDED: Remove pbkdf2SHA1.
Bug 915312 - TO BE FOLDED: Allocate less.
Bug 915312 - Part 2: Add NativeCrypto exposing pbkdf2SHA256.
Bug 915312 - TO BE FOLDED: Allocate even less.
Bug 915312 - TO BE FOLDED: Do not load androidcrypto.
Bug 915312 - TO BE FOLDED: Add RobocopTarget annotation.
Bug 915312 - TO BE FOLDED: Add sha1 native code signature.
Bug 915312 - TO BE FOLDED: Correct NativeCrypto path.
Bug 915312 - Part 3: Remove unneeded checks from fennec-copy-code.
Bug 915312 - Part 4: Move NativeCrypto to omg.background.nativecode.
Bug 915312 - Part 5: Add libmozglue.so from tbpl.

push: https://tbpl.mozilla.org/?tree=Try&rev=4097a685ddb3