aac project forces the system not to include sys/types.h by defining
_SYS_TYPES_H_. This is a workaround for broken android toolchain.

This is no longer needed in latest android version and can be safely
removed. This will also lead to more errors if changes in bionic
headers are needed.

Change-Id: Icb76c207d6b47e811eacff9f9403177629bfb451
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>

Shifting by more than (or equal to) the variable length is
undefined in C.

This caused the quantized spectrum values to go out of range,
triggering asserts later.

Change-Id: If81b6c8caa7b9c75941ad9d280b686d2069c968c

Change-Id: I47509c20ee32f04ce42105563d2d4013910da531

Mingw32 doesn't define the __int64 types.

Change-Id: Ia45add37be1bf85abde664fd6e382334a6bb4498

Change-Id: If584e579464f28b97d50e51fc76ba654a5536c54