Revert "enable PIE for dynamically linked Linux host executables"

This reverts commit 9ecc3c5a2ceb7f7b1e4588bf69bdb0179cee844c.
Revert "Add an explicit definition of __ANDROID__=1"

This reverts commit 1dc0786b5efd510c76f2dec6e1598f20e99552ae.
Revert "Fix regex for finding symbol data."

This reverts commit a6797521f0681c2f775a99c1bad57c0b672d8049.
Revert "Enable NX protections"

This reverts commit a2c05d299b74de8cd81a2012e93c093231127c07.