Remove unused option in build script
fix evaluation of properties array read from local.properties
TestCpp builds both ARM and x86 versions
set android:debuggable property to true
APP_OPTIM is debug
ndkgdb.sh for TestCpp
Android platform version used matches all other sample projects
Add --nowait option (Android has broken something again in NDK/SDK/emulator/etc.) and the debugger will not work correctly anymore
Use ndk-gdb-py and name the explicit launch activity to be able to use gdb's Text User Interface when debugging.
Merge pull request #3416 from folecr/android_gdb_script_for_testcpp

Android gdb script for TestCpp