Android build: 64-bit linker issues.

Android build: 64-bit linker issues.

Fix install-build-deps-android.sh so it can be re-run cheaply.
Update install-build-deps-android.sh so it installs the 64-bit linker.
Run install-build-deps-android.sh each build on the FYI bot.
Move content_unittests to experimental so the FYI builder hits it.

BUG=None
TEST=


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=122665

[M-A Ruel, 2012-02-16 01:29:29]

lgtm

[Yaron, 2012-02-17 22:28:12]

lgtm

[commit-bot: I haz the power, 2012-02-17 22:31:21]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jrg@chromium.org/9401029/9001

[commit-bot: I haz the power, 2012-02-17 22:31:25]

Presubmit check for 9401029-9001 failed and returned exit status 1.

Running presubmit commit checks ...

** Presubmit Messages **
If this change requires manual test instructions to QA team, add
TEST=[instructions].

** Presubmit Warnings **
Found lines longer than 80 characters (first 5 shown).
  build/install-build-deps-android.sh, line 130, 98 chars \
  build/install-build-deps-android.sh, line 132, 120 chars

[commit-bot: I haz the power, 2012-02-17 22:51:49]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jrg@chromium.org/9401029/12001

[commit-bot: I haz the power, 2012-02-18 01:58:46]

Change committed as 122665