libdrm,intel: Add Android build

Contains the following patches squashed in:

    commit f340a8b9f2b84d5762553bef046914e0bde20795
    Author: Chad Versace <chad.versace@linux.intel.com>
    Date: Wed, 21 Dec 2011 11:43:57 -0800

        libdrm,intel: Add Android makefiles (v2)

        This enables libdrm.so and libdrm_intel.so to build on Android
        IceCreamSandwich.

        v2: Link libdrm_intel to libpciaccess.

        Change-Id: Ie5ed4bc0e6b4f9f819e3ec44488e385c35e97128
Signed-off-by: Chad Versace <chad.versace@linux.intel.com>

    commit 8fb3f42389dea34218ed1fe59550ec2abb4d6953
    Author: Andrew Boie <andrew.p.boie@intel.com>
    Date: Wed, 26 Sep 2012 13:32:05 -0700

        libdrm, libdrm_intel: Skip driver name checks

        These libraries have 'optional' tags, which means they won't get
        built unless something else depends on them or they are added to
        PRODUCT_PACKAGES. There's no need for additional filtering.

        Change-Id: I5d90969f38671f8144c0dc27d47144b3f09a15ce
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>