Allow Valgrind to run on android emulator.
+ added README.android_emulator giving some details about versions used.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12710
* initial support for Pandaboard/Linaro
* on Android/ARM, ask for non-executable stacks in the executables
* disable Memcheck's strcasestr intercept; its use of tolower()
causes the dynamic linker to fail.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12234