am bfcbd9a9: am d48e0382: am fb473bb6: Merge "Doc change: adjustments for ndk...

<ul>

<li>Provides a simplified build system through the new <code>ndk-build</code> build

command. </li>

<li>Adds support for easy native debugging of generated machine code through the new

<code>ndk-gdb</code> command.</li>

<li>Adds support for easy native debugging of generated machine code on production

devices through the new <code>ndk-gdb</code> command.</li>

<li>Adds a new Android-specific ABI for ARM-based CPU architectures,

<code>armeabi-v7a</code>. The new ABI extends the existing <code>armeabi</code>

ABI to include these CPU instruction set extensions:

<li>Thumb-2 instructions</li>

<li>VFP hardware FPU instructions (VFPv3-D16)</li>

<li>Optional support for ARM Advanced SIMD (NEON) GCC intrinsics and VFPv3-D32.

Supported by devices such as Verizon Droid, Google Nexus One, and others.</li>

Supported by devices such as Verizon Droid by Motorola, Google Nexus One, and 

others.</li>

</ul>

<li>Adds a new <code>cpufeatures</code> static library (with sources) that lets

your app detect the host device's CPU features at runtime. Specifically,