[SPARK-14906][ML] Copy linalg in PySpark to new ML package

[viirya]

What changes were proposed in this pull request?

Copy the linalg (Vector/Matrix and VectorUDT/MatrixUDT) in PySpark to new ML package.

How was this patch tested?

Existing tests.

[SparkQA]

Test build #58569 has finished for PR 13099 at commit 8515158.

• This patch fails Python style tests.
• This patch merges cleanly.
• This patch adds the following public classes (experimental):
  • class MLlibTestCase(unittest.TestCase):
  • class VectorTests(MLlibTestCase):
  • class VectorUDTTests(MLlibTestCase):
  • class MatrixUDTTests(MLlibTestCase):

[viirya]

I will fix the style when I come back to laptop.

[SparkQA]

Test build #58572 has finished for PR 13099 at commit 479d5af.

• This patch fails PySpark unit tests.
• This patch merges cleanly.
• This patch adds no public classes.

[viirya]

retest this please.

[SparkQA]

Test build #58573 has finished for PR 13099 at commit 479d5af.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[viirya]

ping @mengxr

[mengxr]

I'm making a pass now.

[mengxr]

@viirya I made one pass and sent you a PR at viirya#5. Please take a look and merge it if it looks good to you. Thanks!

[viirya]

retest this please.

[SparkQA]

Test build #58671 has finished for PR 13099 at commit 7ff2021.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[mengxr]

LGTM. Merged into master and branch-2.0. Thanks!

[SparkQA]

Test build #58670 has finished for PR 13099 at commit 7ff2021.

• This patch fails from timeout after a configured wait of 250m.
• This patch merges cleanly.
• This patch adds no public classes.