It turns out passing hover event to accessibility key handling methods
isn't necessary. This parically reverts I1f7feef707.

Bug: 12491371
Change-Id: I9d71cd29723344433427795e44cb22ac41faace6

BUG: 14324207
Change-Id: Idc8582655bc73cb24e416e8ba78470209b2ff702

This CL reorders keys around the spacebar.
- On phone's symbols and symbols shift layout, the comma key is moved
  to the left of the spacebar to aligned with main layout.
- On tablet's layout, the comma key is moved to the left of the
  spacebar on all layout to aligned with the same layout of
  phone's. Also the comma key has "settings" as more keys.
- In Arabic and Perisan, the comma key of tablet already has some more keys
  This CL remove "/" and add "settings" instead.

Bug: 15281451
Change-Id: I6e0e75e4d4abfb1f356e7499be91424c7c57c58b

Change-Id: I2cba2bb5b2f449ed29895365b9c6ca285a7640fe

KeyboardAccessibilityDelegate.synthesizeTouchEvent() wrongly passed
pointer's id as a 6th argument of MotionEvent.obtain method that
should be metaState.

Change-Id: I822f9647a1ba27ee8cee39f373f6a1c003ebf665

Change-Id: I913ec290ddfd0ae4cc6e600ba95b7442167f0989

Change-Id: I0ef983f54e828193e9c7e4a10c888f72702d499c

Change-Id: I4cbae476d16723778b46ff765dd97832f279785f

Bug: 14602663
Change-Id: Ie2060931df911b44230d5a5ba268f687cbdd0dc8

Bug: 12491371
Change-Id: I1f7feef707b95e8862db71cbc4f6f5585a2441dd

Bug: 13336905
Change-Id: Iefd117fa7b30b8ba240590b13b03d7044fd37ede

Bug: 12491371
Change-Id: Ib7ca91ae73aa40e45ea5f6d4e53348a261a4b823

Bug: 12491371
Change-Id: I3ce1e6557e41a94146b882751f75ae4b5f6bc73d

Bug: 15321822
Change-Id: Iab7cef83ffdf91c877c3ed2e59d412496b516e1c

This fixes PunctuationTests#
testAutoCorrectionWithSingleQuotesAround.

Bug: 14119293
Bug: 15334309

Change-Id: I604c21a21e89a5fc431fd56ab7b6ad03f4736b01

At 100k text, it's reasonably fast (less than 1s on latest hardware).

Bug: 12913404
Change-Id: I426b918b2610af24364934a1c37a7314f1142ad0

Bug: 15321822
Change-Id: I6a5a865364fb98e0ebb6206d80d5629bbcb817b8

This CL must be checked in together with Ie52007dc5c.

Bug: 15318007
Change-Id: Ie665f296e43b5485ae8ba7e949aa262794ee0dcc

This reverts commit d941ea18 and builds on it to fix the behavior
of the broken cases.
It also fixes a small, related bug that probably has existed for
a very long time: predictions not displayed when cancelling
double-space-to-period.

Bug: 15148015
Change-Id: I1f9358f8b6f5804f831643611576be347e83999d

Bug: 15320560
Change-Id: Icb88a96ebd685da1d2cba7b07889a2751c603a2e

This CL must be checked in together with I5cc76807e3.

Bug: 15318007
Change-Id: I61423c3377ddc299fb332e742d6626c2e47145bb

Bug: 15298959
Change-Id: I6921db77b7d231ad3aad99d4c380ae2ed6bbf540

Bug: 15298959

Change-Id: Iba6eeb7981634e7ddb896404978b30f6efd6e72f

This CL must be checked in together with I6fd87e1eec.

Change-Id: I4b24157f3e3ce6327579d37122a34d7a30069885

This CL also adds visual feedback of hovering key in accessibility
mode.

Bug: 12491371
Change-Id: I7b1f28a2e421ca60b2738ed94e7bdb406f75039b

Bug: 12491371
Change-Id: I2c2c6f3a6d0d7e7efbe0253127f5b9117cbc512d

Bug: 12184250
Change-Id: Iee7e00c1e84c95551a077f4dd023c0a9b9ac9466

Bug: 13142176
Change-Id: I0290df918a5bd5018bf55231dc462d5e797155c6

Bug: 15270123
Change-Id: I655ba97f0543476980d0e8461bc1c8a56c9f954b

Change-Id: Idae3e89f0398ab2cd56985adfac18959aa1852e7

Change-Id: I3b5bc630bf73a357ed0beeec0b555149ef248313

This CL also refactors KeyboardAccessibilityDelegate a bit to be able
to override on hovering methods that handle enter, move, and exit on a
key.

Bug: 12491371
Change-Id: I3c7e81ccb8729ae6e466c654efde0c18ed734bdf

Bug: 15237246
Change-Id: Ie7023b727cb3eca9d0727a511b3d64a32a02cd3d

Because the number of emoji description spoken string resources is
rather huge (~800), some locales may chose an empty description as a
translation. If that is the case, we will announce "unknown emoji" as
a fallback.

Bug: 11452158
Change-Id: Ibb65e5bec93030c40bd33ac2be2115c3bbc8bd11

Bug: 13142176
Change-Id: I67d63a5c789d7c587bcd7abacd26b2e76da11978

Bug: 13142176
Change-Id: I4db763783a2f8b9a0df0df951db3223f70748870

Bug: 13142176
Change-Id: Id5b7286d28897931f7bfe571be45d46ffeef4adf

When
 1. The important notice message is shown on the suggestions strip.
 2. And the "Show correction suggestions" settings is off.
we will keep showing the important notice message on the suggestion
strip.

Bug: 13741460
Change-Id: I411007ab1e5e6959b6cdba7a6601a84635259313

Bug: 13290802
Change-Id: Ib087152f8bd47a5c81901377291e4223ee4a49ec

This CL also adds label_search_key string resources for consistency.

Bug: 15135033
Change-Id: I81cae243e83a590ef56fe758a43c7184fc4159aa