frameworks/base: Add support for QCELP/EVRC non-tunnel encoding in SF

Add support for QCELP and EVRC formats non-tunnel mode encoding
in StageFright using hardware accelerated encoders.

Patchset 1: Add QCOM_HARDWARE ifdefs.
Patchset 2: Fix ifdef derp.
Patchset 3: Fix endif derp, change omx-core include to vendor/qcom.

Conflicts:

	media/libstagefright/Android.mk
	media/libstagefright/OMXCodec.cpp

Change-Id: I179030d71a9598ddddcf754e963fbed1e1357024
Signed-off-by: Evan McClain <aeroevan@gmail.com>