Add the @FlakyTest annotation for the UI tests for the library.

Change-Id: Ic4c3250b3c43c7aa9463c73f71912b2c1e389a25

Change-Id: Ibdee1308199206704eec3e835069187bf4f34a02

Restore the state across re-creation of the Activity such as
configuration changes.

Change-Id: I03bfe97d0a99137d54a426f0d5ea19bc9069c28f

Also move the project wide gradle properties to the root build.gradle so that
integer values can be used.

Change-Id: Iebaf36de7ac5012ba680a75b2e494b704bee4e1f

Also refactor the test code to move the code that touches the UI in the
runOnUiThread method.

Change-Id: Ie4e34b08c98c8201210740278c0157fff0672063

ALIGN_SELF_STRETCH into account.

Change-Id: I4915c77407decdd218db1117a7697ea8f9ddd7cf

account) and the cross size calculation (by taking the alignContent attributes)

Change-Id: Ieaf1c16ce7c9195cb5536cb7977c829a44d36efd

into account.

Change-Id: Ia0af7d17d389474b03ee8352ede2e6cf3163fe9a

wrap attributes are taken into account
(for only the flex direction = "row" direction).

Change-Id: I1e6cc2db80da8af8ef4527462b13f8884fd0a895

into account.

Change-Id: I979edc75e2eea093248b0d7c765418036298ec43

Change-Id: I928dc49ca3f0f21e7077eb96e1f0360dd0dfde31