Host builds: add fastboot and adb

Add fastboot and adb host utilities to debug builds for debugging
and development purposes.

Change-Id: If77699a27497b8641998930f14d4ee418b856080
debuggerd: Fix minor memory leak

free_ptrace_context(context) doesn't free(context),
which leaks the memory allocated to context.

Change-Id: Ic199b257aefc9a05ec2d902958efa8a57a601fb1
Signed-off-by: Liangtao Gao <gliangtao@gmail.com>
Added 24bit Audio Support
24bit part 2: I forgot to add the other 8_24 bit format
libsysutils: fix null pointer and memory leak issue

In SocketClient::quoteArg function
1. Fix potential null pointer accessing issue
2. Fix potential memory leak introduced by realloc fail

Change-Id: I1ca0f9089290d43452e9a71428244545f4ed866b
Signed-off-by: Hong-Mei Li <a21834@motorola.com>