Revert "adb: Link statically with libcrypto"

This reverts commit 345ca131bbc17b1ae1073db04f37f6610ccb4c71.

Conflicts:
	adb/Android.mk

Change-Id: I2c855eb5f7bfc389fc64776c808c9ad699fb910b
Revert "adb: Create private key with 0600 mode"

This reverts commit 64b3103017cb9038c5fb7e3601f51c6a458bed06.
Revert "adb: Add public key authentification"

This reverts commit d5fcafaf41f8ec90986c813f75ec78402096af2d.

Conflicts:
	adb/Android.mk

Change-Id: Ib7a035f8edc3fbb1d17631e3a7f9fd7418fb27d7