Revert of Disable two failing Android IME tests. (patchset #1 id:1 of...

Revert of Disable two failing Android IME tests. (patchset #1 id:1 of https://codereview.chromium.org/2898213002/ )

Reason for revert:
reverted https://codereview.chromium.org/2856093003 speculatively, re-enabling the tests.

Original issue's description:
> Disable two failing Android IME tests.
>
> BUG=725532
> TBR=changwan@chromium.org
>
> Review-Url: https://codereview.chromium.org/2898213002
> Cr-Commit-Position: refs/heads/master@{#473936}
> Committed: https://chromium.googlesource.com/chromium/src/+/0c754f5b68742378978be850e0779159d9de53b1

TBR=mek@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=725532

Review-Url: https://codereview.chromium.org/2902813002
Cr-Commit-Position: refs/heads/master@{#474010}

content/public/android/javatests/src/org/chromium/content/browser/input/ImeTest.java

@@ -819,7 +819,6 @@ public class ImeTest {
 
     @Test
     @SmallTest
-    @DisabledTest(message = "crbug.com/725532")
     @Feature({"TextInput", "Main"})
     public void testFinishComposingText() throws Throwable {
         mRule.focusElementAndWaitForStateUpdate("textarea");
@@ -1156,7 +1155,6 @@ public class ImeTest {
 
     @Test
     @SmallTest
-    @DisabledTest(message = "crbug.com/725532")
     @Feature({"TextInput", "Main"})
     public void testNavigateTextWithDpadKeyCodes() throws Throwable {
         mRule.focusElementAndWaitForStateUpdate("textarea");