fix 302709 valgrind for ARM needs extra tls support for android emulator

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 a5019735-40e9-0310-863c-91ae7b9d1cf9
9 files changed