Change-Id: Ifb977411b65f8721cf9db891d7a62798bd593c0c

*  Generate type traits for unions to map a type to the corresponding union enum value.

* Fixed break with union enum type traits when type is in a namespace.

* Fixed spacing and variable names in type traits generation to match style guidelines.

*  Fixed spacing in type traits generation to match style guidelines.

* Regenerated test schema header.

Also updated generated_code.sh to prevent this from happening in
the future.

Change-Id: Ib282e9b6c762a79d4b4e09bee06b14781cd2a4c1

Also fixed most codegenerators using the wrong namespace when multiple
namespace were used in a file, with some files not being generated.

Change-Id: Ib42969221239d7244e431cbd667ef69200fc415f
Tested: on Linux.
Bug: 29338474

Change-Id: I8dcbb5e93836356511d411ef86452babd3dd3c0b
Tested: on Linux.

A previous commit that added "f" for C++/Java/C# would break
on gcc of constants like 3f, which are now output as 3.0f

Tested: on Linux

Change-Id: If9cabbe3c6d6948a5050b8b123bda9c06e181f52

Bug: 28145201
Change-Id: I5a1818c40c2f4fbd00cfec3362040407976f7a39
Tested: on Linux.

Tested: on Linux.

Bug: 27923233
Change-Id: Ic16675650e4a8e138c163f1e2131a3aad7008ada

Short-form versions are still supported, but are deprecated.

Change-Id: I15f70ca8d69ba5790368205caa9603b65e1b7fff
Tested: on Linux.

Short-form versions are still supported, but are deprecated.

Change-Id: I15f70ca8d69ba5790368205caa9603b65e1b7fff
Tested: on Linux.

Change-Id: I3cdd801b641bf180222203a37634598350d340e3

Change-Id: Ief3f1507c003079eac90c2bb6c2abd64a80a0a34
Tested: on Linux.

Tested: on Linux.

Change-Id: I8f7bccf9b1ad87fea788f85e23fa69435758feca