message: Fix ResTable::stringToFloat (issue
  Summary: Previous expression was dead code. This is how it works in modern AOSP (http://xref.opersys.com/android-7.0.0_r1/xref/frameworks/base/libs/androidfw/ResourceTypes.cpp#4967)
diff: @@ -4672,7 +4672,7 @@ bool ResTable::stringToFloat(const char16_t* s, size_t len, Res_value* outValue)
  if (len > 0) {
  return false;
  }
  - if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.') {
  + if ((buf[0] < '0' || buf[0] > '9') && buf[0] != '.' && buf[0] != '-' && buf[0] != '+') {
  return false;
  }
  